Big Brother isn’t watching you: why aren’t our digital assistants spying on us?

It was a bright cold day in April, and the clocks were striking thirteen. “Alexa, stop” said Winston Smith and the clock fell silent. From George Orwell’s 1984, to the panopticon, the idea of being watched by an unseen ‘other’ is an idea that has come up time and time again.  While the comparisons with …