Just few minutes ago, Google launches the Real-Time Search function that feed the content from Twitter, Facebook, Myspace, etc that embed in the Search Result under tab : "Latest Results" that you can see the screenshot following that I just seen it live here. There will be available for more keywords very soon!
You can also see more details about this new launch at Google official blog : http://googleblog.blogspot.com/2009/12/relevance-meets-real-time-web.html
