Frank, AT&T hotspots and barnes and noble.. I believe that most starbucks are AT&T hotspots and should be free to Nook owners according to B&N's website.
Link to AT&T hotspots
Nook Color from Barnes and Noble's site
- 802.11 b/g/n
- Free Wi-FiŽ in Barnes & Noble Bookstores
- Free Wi-FiŽ in all AT&T hotspots