Motorola is beginning to take US orders for its Moto G smartphone, which will begin shipping on December 2nd. For now, only the phones GSM model — which should work on both ATT and T-Mobile, among other carriers — is available for order, though Motorola has previously said that a CDMA version for Verizon is on the way as well. At $179 off-contract, the Moto G is quite the deal for those on prepaid plans. …