The #S42AT project lets you bookmark links you share by simply adding the #S42AT hashtag to your public status messages.
|Twitter, Instagram, GooglePlus, Facebook|
A Twitter hashtag explorer that exposes the social graph profiles behind the tweets.
In the beginning there was the hashtag and the hashtag was all over the web and the web was a hashtag... Use more hashtags!
|YouTube, Twitter, Flickr, Facebook|