Looking for a cheap way to get a brand new smartphone this Black Friday? If so, then you're in luck. AT&T has announced a full-on Thanksgiving weekend of promotional sales. Starting at 12:01 a.m. on this year's Black Friday in a couple weeks, AT&T's website will reveal some impressively affordable deals on sales on touchscreen devices, including tablets. Furthermore, new electronics deals will gradually roll out each day through the following Monday.