I do use it, but to a bare minumum. Which doesn't mean it doesn't take up LOADS of time!! For me it's just basically reblogging pretty pictures or cute macros and such. And I upload audio files on there, as that's the only thing I can contribute LOL

Have a looksie. http://sangate.tumblr.com/ It's of course not after your interests, but it should give you an idea LOL

It's just worthwile for shallow fangirls really LOL it does cheer me up every time I go through my own though.