For real accuracy, though, Dr Fritzsch thinks that the bubbles could be fitted with homing devices.

ECONOMIST: The ne plus ultra of medicine

If you look to the early days of stolen vehicle management, via LoJack and others, or homing devices such as what we saw in No Country for Old Men when Anton found his money, you know everything you need to know when it comes to the Internet of Things.

FORBES: The Internet Of Things Isn't As New As It Seems