Author Malcom Gladwell speaks at The 2009 New Yorker Festival on Oct. 17, 2009 in New York City.
- [Mike Coppola/Getty Images for The New Yorker/Getty Images]

Facebook founder and CEO Mark Zuckerberg announces a new Facebook email messaging system on November 15, 2010 in San Francisco, California.
- [Justin Sullivan/Getty Images]

Keith Richards signs copies of his his book 'Life' on November 3, 2010 in London, England.
- [Dave Hogan/AFP/Getty Images]