I use it sparingly but then I have never posted on Twitter (aside from three sarcastic posts aimed at a friend) and never posted to Facebook; so for me it is a

I use it sparingly but then I have never posted on Twitter (aside from three sarcastic posts aimed at a friend) and never posted to Facebook; so for me it is a hit. I think Leo Laporte got it right a few weeks ago when he said it was more popular for technical people and photographers than the general population. That being said, I do think that Google will cancel it like the did with Wave.