>The other person may have searched for her on Facebook, causing her to be listed as a possible friend. Or perhaps Facebook uses location data to group people that are in the same location for an extended period of time.
Probably the first -- since I, and millions of people, stay with hundreds of people we don't know for the same period of time and more (in bars, airports, workplaces, queues, concerts, shops, etc), and they still are not suggested to us.
Probably the first -- since I, and millions of people, stay with hundreds of people we don't know for the same period of time and more (in bars, airports, workplaces, queues, concerts, shops, etc), and they still are not suggested to us.