Facebook wants people to feed its insatiable data machine with likes and updates. But one of the problems the social network is currently wrestling with is that Snapchat-using young people don't like leaving digital trails, and they don't really like Facebook.
So, how do you get people to post more?
One possible answer: You make it easy for Facebook posts to disappear. As first spotted by The Next Web, Facebook changed one of its help pages to note that people in "some areas" are able...