When the purported launch of your social network is co-hosted by the ACLU, there's really no secret about what the cornerstone of said service might be. This is the case with Google Circles, rumored to launch at SXSW this evening. More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/T986hMcf3G4/privacy-could-headline-google-circles-social-network-reveal-later-today