TLDR: Right now, you can pick up Google’s portable powerhouse Google Home Mini speaker and home assistant for almost 60 percent off, just $19.95. If you’d told someone 20 years ago that by 2021, you could control practically everything in your home through a device that costs less than $20, no one would have believed you. Yet enter the smart speaker revolution and behold — devices that cost less than a large pizza can answer your questions, read you your messages, tell you the weather, play you music, and control a vast network of web-enabled home devices in one compact…

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