WASHINGTON, D.C., Mar 6, 2010 / — Stemming from the name of the books that university administrators used to give college students at the beginning of a school year to help students get to know each other, Facebook has more than 400 million users and is only six years old.

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According to a recent RAMA (Retail Advertising and Marketing Association, a division of the National Retail Federation) survey that was released on Mar 3rd, seven out of 10 (70.6%) female social media users and six out of 10 (61.0%) male social media users regularly use Facebook over MySpace, Classmates, LinkedIn or even Twitter.

When broken out by age, Facebook still remains the favorite networking site for 18-34 year olds, 35-54 and even 55 and older.

Sixty percent of social media users over 55 say they regularly use Facebook. In addition, YouTube attracts nearly three out of ten (29.6%) adults over 55, compared to the 57.4 percent of 18-34 year olds who enjoy watching extreme sports, music videos and even recaps of television bloopers.