Which Social Media do you use?

I primarily use Facebook (for personal use and promo for bands / events), and have used Twitter a bit, less so for personal use but for promoting things, I can't say I'm a massive fan of it in all honesty. I've looked at Google+ but am really not convinced by it. I did used to use Myspace, back in the day, but they absolutely killed it, and the recent 're-incarnation' of it is still utterly rubbish.

I also use Instagram, although not as much as I want to, for posting up my own pictures, and use Pinterest a fair amount too, as a great way of collecting hundreds of images of various kinds, but I don't use either of them for commenting / chatting on hardly ever.