Study: Google users wealthier, more Net savvy | InfoWorld | News | 2005-12-06 | By Juan Carlos Perez, IDG News Service: "The longer people have been using the Internet, the more likely it is that Google will be their search engine of choice, according to a survey of 1,000 U.S. Internet users conducted by investment banking and research firm S.G. Cowen & Co. LLC."
Makes sense. That's what I use. :)