Google+ Social Network: More Privacy, Tighter Social 'Circles' Google has finally launched its long-awaited social network, the Google+ project.
The Google+ network is designed around users' social circles (called Circles) and lets users selectively share with specific groups within their personal network, rather than sharing with all their social connections at once. The search giant emphasizes Google+'s privacy customizations and hopes that users will choose to use the new service over more established networks like Facebook and Twitter.
Google+ Unveiled: 9 Things You Need To Know.