AT&T joins the data rollover party, but there are restrictions — mashable.com

AT&T is following T-Mobile's footsteps in the roll-over data space. AT&T wireless customers will be able to roll over their unused data for use within the next month. "Beginning January 25, all new and current AT&T Mobile Share Value customers will automatically receive the Rollover Data feature at no additional cost," AT&T wrote on its website. Unlike T-Mobile's Data Stash data rollover program — which debuted last month — AT&T's Rollover Data program will only let data be used the following month. T-Mobile's plan allows users to rollover data for year.

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