A newly unearthed AT&T briefing has shown the carrier will soon have smartphone plans with messaging built-in. Rather than choose a separate messaging plan, customers will have the option of a "Talk, Text, Web & E-mail" plan that already factors in unlimited MMS and SMS. The chart spied by Engadget shows that each carry a $20 premium over the standard versions, or roughly the same price as needed for choosing unlimited access on its own.
