The Nook-Kindle ereader rivalry just took an odd turn. Blogger Philip Howard noticed an error in Leo Tolstoy's War and Peace while reading the mons...

If there's one clear thing I take away from TED every year, it's that the world is on the precipice of some monumental shifts, and technology has created an acceleration of these changes at a rate mankind has never seen before.

TED is the perfect antidote to cynicism. The one thing you're never going to hear here is: "I love your idea, but it will never fly... you'll never get it past middle America... you'll never get it past Olympia Snowe!" READ MORE Do You Yahoo!? We Do Too (Check Out Our New Yahoo! App) This cool tool lets you quickly flip through all our different sections and preview the latest posts from our top bloggers. And that's just one of the ways we've synced up HuffPost and Yahoo!. READ MORE The Tea Party 600: Canaries in the Political Coal Mine? Think of the Tea Party movement as a boil alerting us to the infection lurking under the skin of the body politic. READ MORE WATCH: Arianna Discusses Glenn Beck and Political Paranoia on Reliable Sources WATCH: Arianna Discusses the Tea Party and Sarah Palin on Countdown