How to find, view, and delete everything the Amazon Echo and Google Home know about you

Has Amazon’s Echo and Google’s Google Home taken up residence in your home? If not, you're probably at least considering adding one of these digital helpers. They are supremely useful after all, providing assistance with everything from weather forecasts to smart-home control. All you need to do is ask.
In order to fulfill your requests, however, both of these voice-activated digital assistants must upload your verbal commands to the cloud. Just what does that entail? The short answ