I think it would be incredibly dangerous to give police this power. Once always-on, instant-upload digital recording equipment becomes commonplace, it will hop

I think it would be incredibly dangerous to give police this power. Once always-on, instant-upload digital recording equipment becomes commonplace, it will hopefully spell the end of abuse by police officers. They won't even be able to confiscate your camera to hide the evidence anymore, because the content will already be online. But if police can just shut off your wifi, we're back to square one.