Passbook passes by MMS coming to big 4 U.S. carriers
Having had something of an unconvincing launch, Passbook is slowly becoming much more useful. At least, it is in the States. Skycore announced today that it will be making cross-carrier MMS delivery of Passbook passes available to Verizon, AT&T, Sprint and T-Mobile customers. This means that you’ll no longer be restricted to just accepting passes via…















