Because if you do not move data to off the household, you could not steal it, repackage it and sell it. You also could not have control over the device and its

Because if you do not move data to off the household, you could not steal it, repackage it and sell it. You also could not have control over the device and its user post purchase if the essential part of of the product is not under your direct control. These are in my opinion two major forces that motivate the appearance of "cloud".