It is the world's largest photo-sharing website, boasting 901million monthly users as of March, 2012.
But Facebook, despite its effort to censor illegal images, has become a den for pedophiles trading graphic images, according to a new report.
An exposé published by WND.com has revealed a disturbing amount of child pornography being shared by predators on the social network.
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Graphic photos of children, including infants and toddlers, were uncovered by reporter Chelsea Schilling.
A screenshot of a Facebook user page called 'Kidsex Young' shows a timeline of approved friend requests between users allegedly trading photos and videos of abuse.