Based on TMobile's report of my data usage this month, I'd say this is bogus. Since the WiFi shuts down to conserve battery when the screen shuts off, an application left in the foreground might run this up though. A push service pushing lots of data might also have this effect, but it clearly isn't in the default configuration.
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Based on TMobile's report of my data usage this month, I'd say this is bogus. Since the WiFi shuts down to conserve battery when the screen shuts off, an application left in the foreground might run this up though. A push service pushing lots of data might also have this effect, but it clearly isn't in the default configuration.