https://techcrunch.com/2018/10/19/smart-home-devices-hoard-data-government-demands/

A decade ago, it was almost inconceivable that nearly every household item could be hooked up to the internet. These days, it’s near impossible to avoid a non-smart home gadget, and they’re vacuuming up a ton of new data that we’d never normally think about.

Thermostats know the temperature of your house, and smart cameras and sensors know when someone’s walking around your home. Smart assistants know what you’re asking for, and smart doorbells know who’s coming and going. And thanks to the cloud, that data is available to you from anywhere – you can check in on your pets from your phone or make sure your robot vacuum cleaned the house.