be sure to post why.i myself take screenshots for wallpaper and for collection.sometimes i even sell copies of them.

On Vita I actually really enjoy this feature. It's great to show off cool shots as well as glitches. Also used it for record keeping with PSASBR match scores.

On PC never bother. I've had fraps for a while and the only thing I use it for is business.

On PS4, the 15 minute buffer is going to be incredible. I'll be recording and snapping a lot.

Yes I do a lot. I also use many as wallpaper and I simply like to have the best looking moments of the game I've played on my hdd. Same as if I'm on holiday and take photos of buildings and landscapes

I really hope that I can take screenshots on the next gen consoles and not only videos (which I don't really care about except if I may have a great killing spree in Halo lol). And if not at release then at least with an update in a year or two. 

Sort of, I post them on miiverse.

yup
http://steamcommunity.com/id/voxelman/screenshots/

I take screenshots of Ace Attorney shenanigans sometimes.

no

I do on the Vita and the Wii U. I used to record gameplay videos with the VCR when I was a kid, too. Those were the days.

Only if it's something noteworthy:

Yes, sometimes. Mostly to show I've done something, or something cool.

I even took a few funny or scary Cinegifs of Alan Wake and Crackdown.