Many people use this media to find and share photos, video, live video, and other media online.You can also post on your own like pictures with your freinds or family.You can also tag your friends about your post. But this media is not that famous like the other media like the facebook and twitter. People can use this media if they want to use it. But now, many people are interested to see how to use this media, because they can follow their favorite artist, but not all artist can follow back on you. Some people use only this media if they have a nice photographic skills on their own personality not like the facebook that if you want to post something, you will post it directly to your timeline but instagram is not like that. Sometimes they don't want to expose their true faces on IG, they need to edit it first before posting it. If you have a good capture on something, you can post it, So that some people can be amaze on the picture that you have post.