TOM WEBSTER is Vice President  of Strategy for Edison Research, a custom market research company best known as the sole providers of exit polling data during US elections for all the major news networks. He has more than 20 years of experience researching consumer usage of technology, new media and social networking, and is the principal author of a number of widely-cited studies, including The Social Habit, Twitter Users in America, and the co-author of The Infinite Dial, America's longest running research series on digital media consumption.