[scarface74]

> Though I suppose you could argue that the app should not be allowed to start using the microphone while the app is in the background

That’s the crux of the problem. Why should any app be able to start a listening session without the user’s explicit intervention?

[pedalpete]

Voice control. I can set-up Alexa on my phone to listen for the Alexa keyword.

Not that I have that enabled, but it is an option.

https://www.amazon.co.uk/gp/help/customer/display.html?nodeI...

[scarface74]

And a well designed OS would think about the security implications and it would orchestrate, “when a certain word is heard, launch $x”