T-Mobile is about to make its most exciting new service free for all subscribers

It might’ve taken a little longer than the company had hoped, but T-Mobile is finally ready to unleash its new "Digits" product. First teased all the way back in October 2015 when a T-Mobile executive fired shots at AT&T's just-announced NumberSync, T-Mobile eventually introduced Digits as a beta this past December. That beta has now hosted tens of thousands of participants according to Evan Feldman, T-Mobile's director of product marketing, and the company is ready to make i