http://www.nytimes.com/2007/08/19/business/yourmoney/19count.html?_r=1&th&emc=th&oref=slogin

Yahoo, which has been less able than Google to translate its strong brand recognition into strong financial growth, may want to take note: results varied by gender. “Yahoo fans skew female but tend toward the mainstream, while Google fans are more likely to be male, a little more wealthy, and influential on the subject of consumer electronics, “ Jupiter states.