Search engines continue to be the primary way Internet users navigate to key industry categories. According to Hitwise, traffic from Google and other search engines to specific Web categories in October 2008 is as follow:
Health and Medical: 44.92%
Online Video: 31.83%
Shopping and Classifieds: 25.14%
News and Media: 20.90%
Business and Finance: 18.61%
Social Networking: 18.61%
Through relationships with ISPs around the world, Hitwise captures the online usage, search and conversion behavior of 25 million Internet users.