No, using a Facebook friends list as a basis for an invitation list, and forgetting to add in the couple of people you know who aren't on Facebook because you haven't noticed that Facebook has become your address book of record.
It's just not something people think about, and that worries the hell out of me. We've never before seen a world where a single, rather secretive corporation, which has already shown itself willing to experiment with its users' perceptions in order to better serve its own purposes, mediates practically every interpersonal relationship of a significant fraction of the species. When I was growing up, that would've been nothing but fodder for third-rate dystopian sf, and yet here we are.
It's just not something people think about, and that worries the hell out of me. We've never before seen a world where a single, rather secretive corporation, which has already shown itself willing to experiment with its users' perceptions in order to better serve its own purposes, mediates practically every interpersonal relationship of a significant fraction of the species. When I was growing up, that would've been nothing but fodder for third-rate dystopian sf, and yet here we are.