U.S. carrier T-Mobile today is announcing a new addition to its "UnCarrier" smartphone plans, adding unlimited texting and 2G data roaming in 100 countries, as well as voice calls from those countries at 20 cents per minute, reports AllThingsD. Data speeds will be slow, but likely adequate for basic email and perhaps even for mapping and navigation apps. Users will be able to purchase increased data speeds, with speeds reverting to the slower, free option once they have run out. Passes are available for one day and 100MB for $15, one week at 200MB for $25, or two weeks and 500MB for $50. The new program does require customers to ret
