You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Looking for Health Info Online? WebMD Isn't the Only Option Well-Funded Upstarts Take on Category Giant as More Americans Head to the Net for Digital Diagnoses By Emily Tan, Published on July 30, 2007 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.