Truly unlimited data plans from wireless carriers are very rare these days. Verizon recently removed them, AT&T did back in 2010, and those with old grandfathered...
Update: AT&T reached out and clarified that customers with the unlimited data plan for iPad are not subject to the throttling policies imposed on smartphone owners....
It’s been a few weeks since we have heard about tired data plans coming to Verizon, but once again we are hearing that Verizon will end...