AT&T has announced its new Mobile Share plans with Unlimited Talk & Text. Designed for customers with multiple devices, the plans offer a set amount of data along with unlimited talk and text; customers are also charged for every device that’s added to the plan. Plans start at $40 for 1GB of monthly data and go up to $200 for 20GB, while the cost of adding each smartphone to the plan goes down as the data amounts rise—each smartphone…
