It was bound to happen at some point. If it can happen at a Taco Bell, then it can happen on Facebook, which is the virtual wild west. Anything goes, it seems, including trying to sell the flesh of your loins to the highest bidder on the marketplace.
 
According to The Daily Mail, Saud bin Nasser Al Shahry posted a status update claiming he'd sell his son for $20 mill. He even went so far as to suggest that the deal be finalized in court.

Turns out Al Shahry previously ran a debt-collection business that Saudi courts shut down. He sought financial assistance, and was apparently declined. The next natural step: sell your son on the social media beast so you can continue to to support your wife and daughter. Lucky kid.

Although Twitter's terms of service prevent users from posting content that "violates the law or other people's rights," Facebook is comparatively lax about its postings, invoking an anything-goes attitude. Then there is the problem of watch dogging all those millions of profiles...
 
Maybe Al Shahry ought to try Craigslist. It's free and he can download a photo of his son, listing his skill set.