user based content

http://weheartit.com interesting idea for a site. you heart pics from other sites and they show up here. it also uses tags.

anyone use it? it streams music and you can upload your own music (how they don't get in copyright trouble i don't know. well some bands won't allow them to upload their music but not many. wiki that for the list. but still i don't get how) > http://grooveshark.com/#/m3110w that's my page btw.