Comparison

Here is a simple comparison between Google Map, Bing Map, Yahoo Map and Open Street Browser.

All the four map services are using AJAX (Asynchronous JavaScript and XML) technology, which provide better user interaction. And they all provide showing different labels in different scales, which avoids the map being too crowd.

From the overview of the colors of maps, I think Google map looks most harmony, and the whole map looks clean and neat; Bing map and Yahoo map use similar color blending, which are too light to distinguish objects from each other; Open Street Browser is in the opposite situation, and are using too many colors in the map, which makes the map very messy.

Here is a table of the technique comparisons of the four map services: