Tim Stenovec for Business Insider: There are plenty of dumb uses of "smart" technology.Toothbrushes, slow-cookers, anddog collars are just a few, to say nothing of far more expensive products like fridges.
But on Monday, Amazon actually released a "smart" product that is incredibly useful: a $45 water pitcher from the king of water filtration products.
If you've ever owned a Brita pitcher filtration system, which filters tap water, then you may know where this is going.
The water filter monitors how much water has been filtered, and will automatically order a new filter when it gets close to the time you should replace it. By the time the filters is used up, a new filter will already be shipped to you.
But the genius here is that apart from the initial setup, you don't actually have to do anything. Ever! Cont'd...
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