He’s definitely checkin’ it! Yes, the Facebook founder Mark Zuckerberg profile was found on Google+. Business Insider claimed that they were “pretty confident it’s him, because that’s a picture we haven’t seen before, and most people in his “circles” are Facebook execs.” However, they want to make it official so they were want to check it with Facebook. Now the biggest question everyone is waiting, if Mark Zuckerberg will add Google’s head of social Vic Gundotra in his circles? If you want to add Mark in your circles, go on!