There is another side to this. With "cloud" you trust remote party to process the data for you. With the mobile, you trust the local device. Even if the cloud m

There is another side to this. With "cloud" you trust remote party to process the data for you. With the mobile, you trust the local device. Even if the cloud means "an audited software, which you run on hardware you physically own, located at your housing" (which is rarely the case) I think it's still less safe than a device that does everything right in your hands.