Sometimes AT&T hits you with worthless text messages.  Well, not today.

AT&T Free Msg: Great news! Effective immediately, AT&T is increasing the amount of data included in your DataPro Tethering plan from 2GB to 4GB.  The monthly charge for your plan will not change and no action is required by you.  Thank you for being a great customer. Please call 611 with questions.

More on that here.  But we are generally happy with this news.