Much of 2010’s fourth-quarter action in NewNet technologies centered on consumer markets and applications. Facebook dominated the news with its revamped Messages and Groups efforts, while Google made some Chrome OS announcements and was rebuffed in its attempts to acquire daily deals site Groupon. And consumer privacy got a lot of government and regulatory attention, sparked by a somewhat breathless series of exposes in the Wall Street Journal. Companies mentioned in this report include Facebook, Google, Microsoft, Yahoo, MySpace and Twitter. For a full list of companies, and to read the full report, sign up for a free trial.