You know the old saying: If you don’t like Amazon Echo’s form factors, just wait a few minutes. The company has seemingly attempted everything when it comes to getting Alexa into more homes. Some stood the test of time, while others have been lost to the sands of time. Remember the Amazon Tap? The Echo Look? What about the Echo Spot (I really liked that one), Plus and Loop? (I write about this stuff for a living, and I’d completely forgotten that the company made an Alexa Ring.) Some outlive...