Echo alerts you to voice or text messages with a yellow light
 

Now that the Echo has become a handy way to place calls and send messages, wouldn't it be nice to be able to tell them apart? Amazon is about to make it a lot easier to do just that by changing how it notifies you of voice and text messages. As befor...

https://www.engadget.com/2017/06/20/...-yellow-light/