User blog comment:Dopp/Technical Update: March 14, 2011/@comment-26686429-20110314232621/@comment-1656630-20110315003955

Ideas have to go through a lot of testing before they get to Labs (the new Chat feature is currently on that road, and doing great, but it'll be at least a month before we get to play more with it). But yep! That's the idea! :)