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The Ecology of Memetics

By: A. Bradley Duthie

3 December 2002

I wrote this essay for my Expository writing class in my senior year of high school, and I have shown the idea to various personalities with varying opinions and insights.

This paper advocates a new way of looking at artifacts incorporating the ideas of memetics. After reading this essay, the reader should, as is the intent, find a new way of looking at the world by replacing the assumption of human's creative design with a more evolutionary viewpoint in which artifacts are produced by the same evolutionary algorithm as biological machines.
“Personally you did not create even the smallest microscopic fragment of the materials out of which your opinion is made; and personally you cannot claim even the slender merit of putting the borrowed materials together. That was done automatically--by your mental machinery, in strict accordance with the law of that machinery's construction. And you not only did not make that machinery yourself, but you have not even any command over it.” --Mark Twain

Order, though relative, is something we find and quite often expect in everyday life. On my shelf is a simple example of order; about a dozen books are lined up from left to right in order of size. The reason for the order of the books is not overly interesting. The arrangement happened to be aesthetically pleasing to me at the time I was ordering the shelf. I noticed that a few other bookshelves around my room were arranged in a similar fashion, and more disheveled bookshelves were often corrected to display a nice downward slope from left to right. Bookshelves with books arranged from left to right in order of size have a good chance of surviving in my room. This logic can be advanced further onto the books themselves, for the only fiction books that can usually be found on my shelves are those by the authors Carl Sagan or Douglas Adams. Usually any other type of fiction will be moved to a different room. This example is only a simple example of order in my room. There are the items themselves; some of these items I even had a part in constructing. Some may say this result was the product of my own creative mind, but I would like to explore a different possibility.

In the late nineteenth century, a revolution in biology came about. Naturalist Charles Darwin brought forth an incredibly powerful idea. The idea, in the most basic form, is a mathematical algorithm stating that “non-random reproduction, where there is hereditary variation, has consequences that are far-reaching if there is time for . . . [the variations] to be cumulative” ( Dawkins, Watchmaker xv). The algorithm was derived by biologists after Darwin had observed evidence for evolution in biological organisms around him and concluded that “from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved” (223). Darwin’s idea has become the backbone of modern biology explaining the complexity of biological organisms around us, but what about things such as artifacts? The obvious answer is that material items are man made; they are created by an intelligent being and thus require no other explanation, but I believe there is a better underlying answer.

In 1976 Richard Dawkins, in an attempt to show the power behind the Darwinian algorithm, suggested another type of replicator to aid in his readers’ understanding of the subject. This new type of replicator was grasped by a small collection of scientists, philosophers, and anthropologists, and the idea of the meme was extended to cover aspects ranging from culture to consciousness, but the idea must not stop there. Often in Dawkins’ writings, Dawkins describes organisms as “survival machines” for their replicators, genes, and I will use this term in a similar way to explain artifacts in the science of memetics, the study of memes. Memetics may be viewed with artifacts recognized as “survival machines” for memes; despite suggestions against such an idea, artifacts are best viewed as phenotypes of memes based on several examples found in our environment.

Although the idea of the meme was proposed in 1976, in my personal experiences, the science is not well known among the populace, and therefore I think there is a good reason to review some background information on the meme. Those who are familiar with the concepts of memetics may still profit from a quick overview. The replicators we are dealing with in memetics “are, roughly, ideas: Not the ‘simple ideas’ of Locke and Hume . . . but the sort of complex ideas that form themselves into distinct memorable units” ( Dennet, Consciousness 201). A simpler definition of the meme would be a “Unit of cultural inheritance” as defined in the glossary of Dawkins’ The Extended Phenotype (297). Having started, roughly, less than twenty five years before the turn of the century, memetics is “a new and primitive science” (“A New Key” 7). In fact, the biggest explosion of memetics just started around the turn of the century. The word meme came along because Dawkins started with the word “mimeme,” so the word would have a Greek root, but Dawkins also decided that he wanted “a monosyllable that sounds a bit like ‘gene’” (Dawkins, Selfish 192). Thus the “meme” meme was born.

The concept of memes was quickly recognized by scholars such as Daniel Dennet, and the idea became clear that memes could “replicate at rates that make even fruit flies and yeast cells look glacial in comparison” ( Dennet, Consciousness 205). A good analogy for a meme’s speed and ability to replicate would be a popular children’s game called “telephone.” In this game, children sit in a circle, and the first messenger passes a phrase to the person next to them who then relays the same message to the person next to them. The process continues until the phrase has reached the starting point again. By this time the phrase is often greatly distorted. In this example, we see the quick spread and mutation of the phrase. Jokes are also examples of the results of memes. As most of us know, a good joke is hard not to pass along to the next person we see, but often times the joke we hear may be repeated differently or to a different audience. In these cases, we may get different reactions when the humor is presented; these reactions are determined by the meme’s properties that ultimately can determine whether the joke is reused or forgotten.

There are many important properties of memes that should be examined. Originally Dawkins described memes as “Fashions in dress, diet, ceremonies and customs, art and architecture, engineering and technology” ( Dawkins, Selfish 190). Though this statement seems to fit at first, the idea creates a misunderstanding. Dawkins has mistaken the replicator, the meme, for the resulting phenotype. All the things described that we observe are merely phenotypic effects of the underlying replicator. The items mentioned that we see are not replicating entities; a work of art cannot directly produce another work of art, and this concept is important to understand in recognizing artifacts as “survival machines.” Professor Dawkins corrects this idea later by stating that “the phenotypic effects of a meme may be in the form of words, music, visual images, styles of clothes, facial or hand gestures” (Dawkins, Extended 109). With this correction, we can examine an important property of evolution that applies to memetics. In biology, and evolution in general, “all life evolves by the differential survival of replicating entities” (Dawkins, Selfish 192). This powerful idea is the framework for biology. The Darwinian algorithm states, roughly, that if there exists a set of replicating entities that produce some slight variation in replication and those variations are selected upon, the variations that are best able to survive and reproduce in the given environment will become the most plentiful. In practice, the Darwinian algorithm is a mathematical principle that, when set in motion, “must produce an outcome” (Dennet, Dangerous 120). The replicators of memes operate as any other replicator and are selected based on their survivability, whatever that may be. In this way of operating, memes truly “have a life of their own” (Dawkins, “Selfish Meme” 52). This “life” for memes, a brutal battle for survival not unlike their genetic parallels, takes place primarily in the human mind. The fact that memes compete in the human mind does not mean that memes replicate for our benefit, and we must be aware that “there is no necessary connection between a meme’s replicative power, . . . [the meme’s] “fitness” from . . . [the meme’s] point of view, and . . . [the meme’s] contribution to our fitness (by whatever standard we judge that)” (Dennet, Dangerous 363 and Consciousness 203). As stated in the Darwinian algorithm, replicators that have the power to survive and reproduce will become numerous in their environment. For memes, this algorithm can produce a variety of effects that may be considered negative. Memes that result in email viruses or chain letters can spread like wildfire through host computers. Memes for certain political ideologies may spread by utilizing propaganda and thus spread through a wide range of a population. A parallel to genetic biology may be seen here when a virus infects an organism, or a gene that alters the behavior of an organism is successful at spreading through a population.

A conflict among those who study memetics exists concerning where exactly the memes themselves reside. This conflict is important because the environment that houses memes will determine what sort of artifacts are expected to survive based on where the replicator will be selected upon. There are several environments for memes to replicate in; memes “can propagate themselves from brain to brain, from brain to book, from book to brain, from brain to computer, [and] from computer to computer” ( Dawkins, Watchmaker 158) . Evidence also exists that memetic transmission is exhibited in British tits; these are birds that “learned to poke open the foil cap on milk bottles, [sic] and to drink the cream, and this behaviour spread throughout Britain and into continental Europe” (Laland and Odling-Smee 130). This behavior may be considered the results of memetics because the crafty way of obtaining a drink was learned by imitating other tits; imitation is a remarkably rare skill in the animal kingdom, but the talent “comes naturally to us humans” (Blackmore 3). Blackmore goes so far as to say that “what makes us different [from other life forms] is our ability to imitate” (Blackmore 3). Imitation is clear cut in the example of the British tits, and the obvious conclusion is that memes travel, in this case, from brain to brain, but in the case of artifacts, the idea gets more complex. The common example for the transfer of memes is the wagon that “sheds wagon-memes like manna in all directions, just waiting to be picked up by passers-by, because the idea of a wagon is embodied in its outline” (Aunger 281-282). Aunger has a good point, but what if the idea is turned around? A wagon, when viewed, is sending light that strikes an observer’s eye. To a horsefly, this light would mean little, but to a human the idea of a wagon leaps out. What is important is not the information the wagon sheds, but how that information is received. The perception of the human brain is what enables one wagon to spark the creation of another wagon. This idea brings me to one of the most important concepts for looking at artifacts as survival machines.

With biological organisms, we are accustomed to the underlying replicators, the genes, being selected in their environment of earth. Though the environments within the planet may be quite different, genetic replicators have survived or failed in their history based on their ability to survive throughout earth. Memes, on the other hand, have not been endowed with such a large space to replicate. The success or failure of a meme is almost entirely based on the meme's ability to survive and replicate inside of human minds. There is good evidence for memes replicating almost entirely in the mind in the simple fact that the artifacts around us all seem to pertain to human activity in some way. Memes that code for artifacts with relevance to humans have a much better shot at survival, for the brain is the “haven all memes depend on reaching” ( Dennet, Dangerous 365). Of course, if these memes are truly replicators producing “survival machines” as artifacts, we should see some sort of evolution in different types of artifacts produced, and there is some definite evidence that artifacts evolve in similar ways that species of genetic organisms do.

If artifacts are all the result of the Darwinian algorithm, any artifact selected should work as an example, and, if my idea holds weight, every artifact should have an evolutionary lineage that can be traced back through time. Aunger stresses a similar point in stating that “evolutionary theory should have to account for the existence of things like computers . . . [because] computers and other artifacts show evidence of complex design and inherited features” ( 276). Aunger uses the example of a computer in his argument, but I would like to start off with something much simpler such as a common dining fork.

The fork, being rather simple, is an ideal example to show the basic evolution of an artifact. The common utensil that is used daily by billions of people evolved from “a two-pronged spear to something on which it was easier to ferry peas from plate to lip” ( Forbes 8) . Actually the evolution of the fork can be traced back even earlier. Originally dining was done with a single lone knife. This haphazard and often inefficient process leaves definite room for more successful memes to be selected. In Henry Petroski’s book, The Evolution of Useful Things, Henry Petroski describes the evolutionary lineage of the fork beautifully but makes no mention of memetics. Obviously, in the case of the lone knife, a more successful strategy arose, and “refined people came to employ their knives in some customary ways” by using an additional knife to eat (Petroski 5). Even this strategy had difficulties such as “in holding meat for cutting”; this shortcoming finally “led to the development of the fork” (Petroski 7-8) . The important point to stress here is that the fork was not made completely from scratch; the fork evolved out of earlier ideas and materials. Memes for forks with “two prongs or tines” were not entirely original; these memes were simply mutated knife memes (Petroski 8) . The mutated memes created the phenotype of a two-pronged fork for dining that survived for quite some time. The newly evolved utensil easily held onto food with the extra tine. This notion does not mean that the concept of the two tined fork arose only once. The idea likely sprouted in several places independently; the point is that the idea of the two tined fork needed to have been built off something. The fork, however, still had more room for improvement. Diners often had problems when “loose pieces of food fell through the space between the tines” (Petroski 11). The problem was solved when a third tine was developed for the common dining fork. The third tine was, and perhaps still is, effective for the fork's environment, but memes for four tines thereafter began to spread as well and soon beat out their three tine precursors. Apparently “four tines were even better” at filling their ecological niche (Petroski 11). In modern times, the standard dining fork has four tines.

This path finally brings us to the four tined fork that we use every day. This version of the fork appears to be the most fit for the fork’s environment, for any more tines are not necessary and would likely make the fork too large. Thus having four tines is the best evolutionary stable strategy for a fork. First proposed by John Maynard Smith, an evolutionary stable strategy, or ESS, “is a strategy, or phenotype, that is stable in the sense that, if most members of a population adopt that strategy or have that phenotype, no alternative mutant strategy can invade the population” (198). Smith's idea of the Evolutionary Stable Strategy works for artifacts as well as organisms, and the concept is important to understand for memetics as well.

Another good example to use for the evolution of artifacts is the common paper clip. A paper clip is also fairly simple, but the artifact is especially interesting because, unlike the fork, the paper clip has been used for a variety of other functions. Examples of these functions include “toothpicks; fingernails and ear cleaners; makeshift fasteners for nylons, bras and blouses; tie clasps; chips in card games; markers in children's games; decorative chains; and weapons” (Petroski 51). The paper clip is a curious example of how artifacts can survive by filling a variety of ecological niches in their environment. The wide uses of the paper clip, in this case, even strikes question to the artifact’s survival ability in being used for only the “intended” function. Perhaps the result of having such a widespread list of functions is why “few artifacts have been more formed, de-formed, and re-formed than the common paper clip” (Petroski 51). A wide range of ecological niches made the paper clip able to take on so many forms, for no matter how the paper clip is bent, the artifact still can carry out several functions for survival with a some quick manipulation. Still, even with a great wealth of examples found in Petroski’s book, the paper clip has seemed to settle down into an evolutionary stable strategy of what is common today.

So far, the examples for the “survival machines” of memetics have been very basic; a more complicated examination of artifact evolution can be found in the field of architecture, and an interesting breakdown of architectural styles exists in the Journal of Memetics online. Nikos Salingaros and Terry Mikiten explain that every design in architecture “competes in the mind of the designer with other conceived possibilities, and the fittest ones . . . survive to the next generation” ( online). Examples of architectural memes may be found throughout most any town. As of late, the “modernist style of architecture . . . has been the overriding building style from the 1920s until now” (Salingaros & Mikiton online). Though the memes that ultimately designed these structures were in the minds of the architects, “the same principles of competition and selection might be said to apply to the general public in accepting architecture” (Salingaros & Mikiten online). Memes in the minds of the general population can support or inhibit the survival of memes for the building of certain architectural styles. Often we may find that the “spread of architectural styles depends strictly on factors governing meme propagation in a society” (Salingaros & Mikiten online). Because of the change in architecture and the principles of the Darwinian algorithm, Salingaros and Mikiten concluded that the “process of design in architecture parallels analogous generative process in biology and the natural sciences” (online). Indeed we can see a definite evolutionary process in the history of architecture. Buildings are continually subject to change especially as other technology improves. Memes for luxuries such as central heating or indoor plumbing are just some minor innovations that may change buildings as a whole. In this way, buildings may take on different forms or be built with different materials.

Certain buildings, such as banks or fire stations, perform specific roles in their environment, so different buildings may fill their own ecological niches. Military structures have an especially interesting evolution in that they have been made “throughout the ages to construct deliberately uncomfortable environments” ( Salingaros and Mikiten online). Through the many examples in architecture, we can see an amazing variety of different structures made by competing memes, but I believe the most powerful example will come from an artifact that has been an example for the origins of order for over two hundred years.

The watch has been used frequently in the past to explain the mysteries of biology, so I feel there is poetic justice in ending with the watch as a final example of memetic evolution. In a book “published in 1802”, the watch was used by theologian William Paley in attempt to explain biological origins by intelligent design ( Dawkins, Watchmaker 4). William Paley was clear that he “had a point to make, he passionately believed in it, and he spared no effort to ram . . . [the point] home clearly” (Dawkins, Watchmaker 4). Although the argument Paley proposed was powerful, a better explanation of biological origins was yet to come. This explanation “had to wait for one of the most revolutionary thinkers of all time, Charles Darwin” (Dawkins, Watchmaker 4). The example of the watch was used again later by Richard Dawkins in a case for the Darwinian algorithm. Dawkins mentioned some differences in biological machines and mechanical machines and said that a “true watchmaker has foresight: he designs his cogs and springs, and plans their interconnections, with a future purpose in his mind’s eye” (Dawkins, Watchmaker 5). Like William Paley, Dawkins makes a passionate argument for his case, and I share the feelings of both men in a quest to understand the natural world, but I feel the analogy of the watch can show that the artifact is much closer to a biological organism than what has previously been assumed.What is important to note with Dawkins’ example is that the watchmaker does not start from scratch; the watchmaker already has the instructions for making a watch that have been passed down for generations much like genes for biological organisms. The person constructing the watch must have these ideas passed into the brain before anything like a watch is possible to create. Imagine if the watchmaker had “never considered the passage of time – perhaps the earth does not rotate – and timepieces have not been invented” (Silby online). If the watchmaker had not received any of the necessary information for the construction of the watch, the watchmaker would likely have similar odds to those of a monkey sitting down and randomly typing Hamlet. The person constructing a watch must have watch-making memes in their mind. Thus we may conclude that the watch’s creator is nothing but a medium that watchmaking memes use to build a watch. That is not to say, of course, that memes have any purpose or foresight, but the natural selection of ideas has produced memes that result in the making of watches. The true credit for the existence of the wristwatch goes back to the Darwinian process. This process through “years of memetic transfer resulted in the memes that comprise the modern wristwatch” (Silby online). When the synthesizer of the watch was putting the pieces together, his “mind was buzzing with memes relating to previous versions of time pieces” (Silby online). The watchmaker certainly did not start with a blank slate.

All of these examples can serve as a reason for looking at memetics from an ecological perspective. Through this perspective we can see that “artifacts are not the result of creative thought – rather, the creative process can more accurately be described as the execution of an evolutionary algorithm” ( Silby online). In this way, we can explain the ordered world in terms of dynamics between two sets of replicators; both of these replicators, memes and genes, can produce different sorts of “survival machines.” Objects in houses, books in libraries, cities, towns, and parks are all environments for memetic life. In a diversity of places such as these, we can see “an ecology of memes, a tropical rainforest of memes, a termite mound of memes,” and many other types of ecosystems for memetics (Dawkins, Unweaving 307). From the pencils we write with to the machinery that makes up our computers, the details are all guided by replicating ideas that have somehow survived. In this way, the assumption of “creative design can be replaced with an evolutionary picture” (Silby online). I believe this deduction is an important concept to understand in biology and philosophy. Biology has already explained how humans came to exist, and now, if I am correct, memetics can explain why technology and artifacts exist.

Some people may have arguments against the view that artifacts, like organisms, are the phenotypic results of replicators. There are some ideas given by others that suggest the idea of a type of coevolution between memes and artifacts. Professor Aunger describes this idea in part of his book, The Electric Meme, stating that because “both memes and artifacts obviously evolve, and also interact, it is fair to say that memes coevolve with artifacts” ( 297). Aunger makes some great progress in memetic theory in his book, but here I believe he is mistaken. Memes are replicators, like genes, so they do not evolve; only the phenotypic results of replicators can evolve. The nature of a replicator is to replicate occasionally producing some errors or variances in replication. When a mutation arises in any set of replicators, the mutated version can either be better at survival and replication than the mutated replicator’s predecessor, or the mutated replicator will be worse at survival and replication than the mutated replicator’s predecessor; the latter will not last long. For the sake of argument, the mutated version could be exactly as good as surviving as the mutated versions predecessor, but this occurrence is fairly rare. Over time, a gradual change may be seen in phenotypes of replicators based on the mutations of the underlying replicators. This is how artifacts evolve.                       

Amongst critics, there are also those who may point out difficulties in the direct study of meme/artifact relations. More specifically, the point has arisen that “we cannot identify the unit of the meme” (Blackmore 53). Although this may be true for now, there was also a time when the gene was unknown as the exact unit for replication in biological organisms. We do know that ideas can replicate; the process can be observed every day as news and ideas spread from person to person. The exact process may be a bit unclear, so we must be cautious in what to expect, for “we must not fall into the trap of thinking that memes can only work if they are like genes in other ways” (Blackmore 16). Indeed parallels will be seen, but there may be different effects due to different properties of each replicator. What is more important is that both replicators must undergo the mathematical algorithm of Darwinism. The final category of critics that I will address are those who object to the idea of memetic ecology based on personal morality. Indeed the idea that one’s creativity and ingenuity may be the result of a mathematical algorithm can be quite humbling, but this is an argument of emotion and not an argument based on logic or evidence. Accepting the idea of artifacts as the results of memes may even have the potential to aid in ethical and philosophical understanding.

Any scientific hypothesis should be able to make basic predictions based on the concepts of the idea. Although the logic and mathematics of the hypothesis of memetic ecology should speak for itself, there are some definite conclusions we can make about artifacts based on this idea. Because artifacts obey the same principles as their biological counterparts, we should always see the evolutionary lines of artifacts as gradual. In other words, an artifact must have had something to build off of as far as things such as material, structure, and general function. No artifacts should spring up without ideas (memes) to direct their construction, and these ideas must have been selected by some process. Another prediction is that all artifacts should continue to evolve based on their selective environment that is primarily, at this time at least, the human brain. Artifacts will survive because memes for the construction of those artifacts survive well. If artifacts became abundant that correspond to memes that can be proven to be poor at survival in their environment, the idea of artifacts as survival machines for memes does not hold weight.

The concept of artifacts as the results of a Darwinian process is a powerful one because, much like genetic evolution, memetic evolution resulting in artifacts may change the way we look at the world around us. Artifacts are “survival machines” for memes, and there are a world of examples that show this concept. From garbage dumps, to space stations, to museums filled with works of art, these amazing products of a relatively short evolutionary history can be observed. Now we can see even more of the power behind the Darwinian algorithm, and we can finally unite organisms and artifacts under the common roof of biology with the ecology of memetics.

Works Cited

Aunger, Robert. The Electric Meme: A New Theory of How We Think. New York, NY: The Free Press, 2002.

Blackmore, Susan. The Meme Machine. Oxford: Oxford UP, 1999.

Darwin, Charles. The Illustrated Origin of Species. Comp. Richard E. Leakey. New York: Hill and Wang, 1979.

Dawkins, Richard. The Selfish Gene. 2nd ed. Oxford: Oxford UP, 1989.

Dawkins, Richard. The Blind Watchmaker. 2nd ed. New York: W.W. Norton & Company Inc., 1996.

Dawkins, Richard. Unweaving the Rainbow. New York: First Mariner Books, 1998.

Dawkins, Richard. The Extended Phenotype. 2nd ed. Oxford: Oxford UP, 1999.

Dawkins, Richard. "The Selfish Meme." Time 19 Apr. 1999: 52-53.

Dennet, Daniel C. Consciousness Explained. New York: Simon & Schuster, 1995.

Dennet, Daniel C. Darwin's Dangerous Idea. New York: Simon & Schuster, 1995.

Forbes, Leslie. "Arts: The Past is Another Pantry Food is One of the Most Culturally Significant Aspects of Human  Life. A New Exhibition of the British at the Table Over Four Centuries Reveals the Surprisingly Rich Variety of our Consuming Passions." The Independent 8 July 2000, Foreign ed.: 8.

Laland, Kevin, and John Odling-Smee. "Darwinizing Culture: The Status of Memetics as a Science." The Evolution of the Meme. Ed. Robert Aunger. Oxford: Oxford UP, 2000.

Mikiten, Terry, and Nikos Salingaros. "Darwinian Processes and Memes in Architecture: A Memetic Theory of Modernism." Journal of Memetics (2002). 21 Nov. 02 .

"A New Key to Behavior." The Los Angeles Times 20 Feb. 1999.

Petroski, Henry. The Evolution of Useful Things. New York: Vintage Books, 1992.

Silby, Brent. Evolution of Technology. 2000. Department of Philosophy, University of Canterbury. 12 Nov. 2002 <http://www.geocities.com/persistentmemes/evolution_of_technology.html> .

Smith, John M. "The Games Lizards Play." Nature 21 Mar. 1996: 198.

Works Consulted

Aunger, Robert. "Culture Vultures." Sciences Sept. 1999: 36-42.

Best, Micheal L. "Models for Interacting Populations of Memes: Competition and Niche Behavior." Journal of Memetics (1997). 20 Sept. 2002 .

Bradie, Michael, and Susan Blackmore. "Do Memes Make Sense?" Free Inquiry 2000: 42-44.

Design and Business Classic: The Paper Clip. 21 June 2000. Corporate Design Foundation. 14 Nov. 2002 .

Gardner, Martin. “Kilroy Was Here; The Meme Machine By Susan J. Blackmore; Oxford University Press: 264 pp., $25." Los Angeles Times 5 Mar. 2000: : N. pag.
       
Lienhard, John H. No. 769: The Paper Clip. University of Huston. 11 Nov. 2002 .
       
Marks, Jonathan. "Darwinizing Culture: The Status of Memetics as a Science." American Anthropologist Mar. 2002: 341-342.
       
Nettle, Daniel. "The Elusive Science of the Meme." Current Anthropology Apr. 2002: 344-346.
       
Rothstein, Edward. "The Mysterious Meme, A Seductive Metaphor." The New York Times 3 Aug. 2002: : 9.

Schmidt, Stanely. "Applied Memetics." Analog Science Fiction & Fact Feb. 2000: 4-8.

Williams, Ann. "A Brief History of Time." Asian Business Dec. 1998: 62-69.
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