The basic idea isn't unlike the "Battery mode" (which I think is part of the Motoblur stuff, not stock Honeycomb?): Disable mobile network data when it isn't ne

The basic idea isn't unlike the "Battery mode" (which I think is part of the Motoblur stuff, not stock Honeycomb?): Disable mobile network data when it isn't needed. In this case, "when" is "any time a wifi network isn't in range" :-)