It cost ~$1 (initially a one time fee, later joiners paid annually). Depending on your SMS plan, that might be paid for with the first 10 messages you sent. The

It cost ~$1 (initially a one time fee, later joiners paid annually). Depending on your SMS plan, that might be paid for with the first 10 messages you sent. There was zero additional cost to use to send a lot of messages, including pictures and group messages. This was quite different to most mobile contracts at the time