Charles and I recently discussed the advantages of changing from an
unlimited to a limited data plan for my iPhone. I have the former; he
the latter. He claims he’s saving about $50 a year by using the
limited plan. He changed when his monitoring told him he wasn’t using
as much data every month as he had thought he was.

It seems that one advantage to the unlimited plan is no data
overcharges – mystery or otherwise. At least I hope that’s the case.

http://www.macworld.com/article/162603/2011/09/att_overcharge.html#lsrc.nl_mwweek_h_cbstories

-rgh
Sent from my iPhone