Nick Denton, founder of Gawker Media, left, speaks to Peter Kafka, senior editor with All Things Digital, during the Interactive Advertising Bureau (IAB) MIXX 2010 conference and expo during Advertising Week in New York, U.S., on Monday, Sept. 27, 2010. The mobile advertising market may more than double in the U.S. to almost $500 million this year, researchers say. Photographer: Andrew Harrer/Bloomberg via Getty Images
