by Jeff Sovern
[A]ll users of this site agree to immediately assign their first-born child to [the social network]. If the user does not yet have children, this agreement will be enforceable until the year 2050. All individuals assigned to [the social network] automatically become the property of [the social network]. No exceptions.
Judging by the statistics reported in the article, it appears likely that few of the students read the clause. But some clearly did, because nine students (1.7%) expressed concerns about the clause. Nevertheless, every single one of the students signed up, including the nine who had reservations about the term. Evidently college students really like their social networks.
Here's the authors' abstract: