I have AT&T 2GB max data/ month on 3G and have the app Radio.com. I can receive The Fan 660 over 3G and listen in the car. Was wondering, how much data am I chewing up by doing this? Should I just not listen until I'm at wi-fi? I hope not, I'm here in Boston and I crave New York sports talk. Any help would be great! Thanks. Oh yeah, iphone 4.