It hooks them with links to titillating, disgusting or "amazing" videos that their friends apparently "liked", but once they click on the link, they are redirected to a splash page where they are asked to jump through some hoops in order to watch the video:
Unfortunately, their clicks are hijacked to "like" the video without their knowledge and to post the same bait message on their own Walls, while they are redirected to a page seemingly containing that and other interesting videos.
As scams go, this one seems pretty effective given the diversity of interest-piquing video baits. The scammers earn their money from the owners of the aforementioned sites, who earn a small amount of money for each click on an ad that captures the victims' fancy.
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