> And yeah, SMS is basically free (read: unlimited usage included in pretty much every phone plan on every carrier) in North America. And it should be. As I un

> And yeah, SMS is basically free (read: unlimited usage included in pretty much every phone plan on every carrier) in North America. And it should be. As I understand it the messages are sent as part of the usual cell tower polling messages with no overhead for the network (Which is why they're length-limited).