I have a Droid X, and I got a nasty surprise after using it for a couple of weeks: I had gone through over 10 GB (not a typo) of bandwidth already, and earned a friendly call from Verizon telling me to shape up or they'd terminate my contract. Since then I've been running with background data turned off (settings -> data manager -> data delivery -> uncheck background data.) This works nicely and keeps my bandwidth down to usually a megabyte or so per day, preserves the battery, etc, but it seems like overkill. What I really want to find out is what was using so much bandwidth to begin with, and find a way to let my well-behaved apps run and update themselves, etc while preventing these bad ones from running. Anyone know of a way to track bandwidth usage on an app-by-app basis? Is that even possible? Or, has anyone else run into a similar problem and found a way to solve it?