AT&T upgrades its unlimited data plan with tethering and more options

Verizon and T-Mobile restarted offering unlimited plans after several years of intentionally avoiding them and now AT&T also jumped the bandwagon of the "Unlimited Data Plan". The latter introduced an offer for its consumers that provides 10GB tethering/line, HD video streaming and various incentives such as monthly credit towards DirecTV and zero-rating when watching DirecTV Now on your smartphone. The Unlimited Plus plan offers unlimited data on the AT&T's 4G LTE network for $90 for one phone line. Adding other devices costs extra, but the carrier gives various incentives if you...