This happened to me 3 days ago—I got a friend's old iPhone 3GS a few months back and hadn't had data. It was great, but now AT&T decided I need data and gave me

This happened to me 3 days ago—I got a friend's old iPhone 3GS a few months back and hadn't had data. It was great, but now AT&T decided I need data and gave me the $30 plan rather than the base $20.