There was some debate about why state boundaries, which seem irrelevant in many ways as they don't reflect real economic geographies (or often even cohesive communities) and are only sometimes on natural boundaries. Here again is are the 50 "Facebook States of America" from the NYT piece I posted last week. A lot of people went straight to the state university system as a reason for this. The argument is that people go in-state because it's cheaper, and this creates Facebook networks. That's probably some of it but the state … [Read more...]