Instagram is a cellphone app which allows users to take, edit, and upload photos instantly and easily. You create an account and are able to follow friends/gain followers. Its like a microblog platform, strictly for photos. The app was originally exclusive to iPhone and iTouch users but is now available on Android phones. I downloaded it on my phone and I love it. The android app, however, is limited in how you can edit photos.
Here are a few photos I've taken and uploaded using instagram:
Mp3 player from '06
on the train
Is instagram pointless or useful? Decide for yourself instagram.com