Alexa, What's Amazon Doing Inside My Home?

Amazon’s Alexa voice assistant can tell you the weather, operate home appliances, and video chat family members. Alexa aims to be the centerpiece of the “smart home” connected to the Internet. It can lull us with the convenience, but what’s the downside to letting Alexa run your entire home? And why is Amazon making a microwave oven powered by Alexa?