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Running AI is so expensive that Amazon will probably charge you to use Alexa in future, says outgoing exec
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
It's good for hands/device free control. Setting timers while cooking by simply saying "set a timer" or controlling lights from across the room without fiddling with a phone or remote.
Set a timer's and set an alarm's the only two I ever found useful personally. I stopped using google assistant because it just legitimately stopped understanding me correctly and I got frustrated with it.