comScore has released a global report on women’s online usage titled “Women on the Web: How Women are Shaping the Internet”, which provides an in-depth analysis of the female Internet user, highlighting key trends by Internet activity, worldwide region and digital channel. Among its results, the report found that social networking sites reach a higher percentage of women than men globally, with 75.8 percent of all women online visiting a social networking site in May 2010 versus 69.7 percent of men.
Globally, women demonstrate higher levels of engagement with social networking sites than men. Although women account for 47.9 percent of total unique visitors to the social networking category, they consume 57 percent of pages and account for nearly 57 percent of total minutes spent on these sites. Women spend significantly more time on social networking sites than men, with women averaging 5.5 hours per month compared to men’s 4 hours, demonstrating the strong engagement that women across the globe share with social sites.

women once again prove that they can talk more than men and are more forward in this field too.
I think it is the social part what we love. Men do not engage as good as we do with friends.