In a clear response to T-Mobile’s recent ‘Uncarrier’ moves that may convince many families to ditch their current carriers, ATT on Saturday announced a new family plan that’s ready to offer “incredible savings for families.” For $130 per month, ATT will offer families unlimited voice and text messages for two lines as well as 10GB of shared data. Families can then add more lines for $15/line per month, with a maximum cap at 10 lines per plan – however, these are monthly charges available for off-contract smartphones, while on-contract devices will cost $40/line per month. The carrier says that with a new Mobile Share Value plan, a family of four would pay $160 per month, getting all the perks mentioned above,