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    15 Surprising Things You Didn't Know About Facebook


    1. Al Pacino was the first face on Facebook.

    2. 600,000 hacking attempts are made to Facebook accounts every day.

    3. 64% of Facebook users visit the site on a daily basis.

    4. Facebook is named as a factor in one of three divorces.

    5. More than 1 billion people access Facebook on a mobile device on a monthly basis. That's about 1/7 of the people on planet Earth.

    6. People have been murdered for unfriending someone on Facebook.

    7. Facebook tracks which sites you visit, even after you've signed out.

    8. For a fee, you can message people and have it go directly to their inbox, skipping that pesky "Other" folder that no one ever checks.

    9. One in three Facebook users reported that they felt worse after visiting the site.

    10. Facebook is blue because Mark Zuckerberg suffers from red-green colorblindness.

    11. Someday there will be more dead people on Facebook than living ones.

    12. Adding /4 to the end of Facebook’s URL will automatically direct you to Mark Zuckerberg’s wall.

    13. 83 percent of prostitutes have Facebook pages.

    14. The average adult Facebook user has 338 friends.

    15. The meaning of a "poke" has never been defined.