You might want to keep them out of your bedroom

from here

This is something that probably bears repeating A LOT. Those smart speakers and smart phones and smart watches and other devices that obey your commands aren't simply computers, there are also people listening in to help the computers improve. All the major brands (Amazon's Alexa, Google Assistant, and Apple's Siri) of digital assistants are made of people, at least in part.

And honestly "Digital assistants are made of people" seems like it could make a pretty good catch phrase.