I'm a noob to the whole smartphone with data thing. Is it normal for my phone to switch in and out of 3G in an area that the verizon map shows as being a 3G area? At home I seem to stay on the 3G fairly constantly, but at work (which is at the edge of coverage) and especially while driving I seem to drop 3G quite a bit. It makes playing Slacker in the car not worth while. Just wondering if this is "just the way it is" or if I may have an issue.