paid ljers, 2day u can use TXTLJ 2 use LJ over SMS. post, read, friend, etc. all 160 chars of fun @ livejournal.com/sms
(but no tmobile or intl yet.. l8r)
There was a registration bug that affected some people. It's now fixed. If your "YES" message is doing nothing, wipe your phone number, save it (as empty), and restart.