Influential tech blogger Robert Scoble talked to Bloomberg earlier in the week about the social media scene. The main message I took away is that he believes Google+ is a successful product for Google which could spell trouble for Facebook and Twitter.
P.S. – I am on Google+ and I like the platform. I told a friend recently that right now, it has pluses and minuses. The big plus is it is Twitter and Facebook at once, meaning I feel that I can get out of it what I separately get out of the other two. Twitter is good for me to get the word out but Facebook is good to have more intimate contact with people. Google Plus has these circles that make this possible. So you can post things publicly to people who follow you but post things (like family photos) to individual circles privately as well.
The minus is that the other platforms already have installed networks that are important right now, especially twitter (journalists, news junkies, etc).
Bottom line: If I didn’t need a footprint on the other platforms (and trusted one company to own my social media experience, which I don’t) I would just migrate everything to Google Plus. I like it. Me, I will probably drop Facebook first of the three.