Alongside new Ring and Blink security cameras, Amazon also announced a boatload of new smart TVs. These TVs run a new OS called “Vega OS.” As with all of Amazon’s new hardware, these new Fire TVs have built-in Alexa+.

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off Alaska and down Japan to the Philippines. Some geologists ...