Try not to say anything sensitive while heating up that Hot Pocket. ()CC-BY) 
Ewen Roberts.

Could you spy on someone using a microwave oven as a mic?

While too much of our information streams have become infected with endless discussion of the current White House, this week there’s a direct connection to Leon Theremin. So – let’s dive in, shall we? In case you’ve managed to avoid US news, you might not know that the Counselor to the President of the United States recently speculated to an interviewer that a microwave oven could be used as a spying device, and specifically, as a camera. And that led to stories like this one: No, Microwave Ovens Cannot Spy on You—for Lots of Reasons [Wired] The problem is, what …