Google Talk Guru provides quick access to factual information on the Web. It's... quick! This was quicker than typing a search into Google - and the results were almost instantaneous! (This also worked using the Google Talk app on my iPod Touch)
I asked Obama's birth certificate. Clicking the link got me to the news that Obama's birth certificate is posted in the New York Times today (April 26, 2011).
What does this mean for reference librarians? No more reference librarians? No... I think there's still a role for reference librarians - and the role will be teacher rather than fact checker.