Amazon’s Alexa Cast makes it simpler to play music from your phone on Echo speakers

Amazon is introducing a new feature today called Alexa Cast, which lets users control what’s playing on their Alexa-enabled devices from their phone. At launch, its abilities are very limited: it only works with the Amazon Music app to control music playback. But it’s easy to imagine this becoming a full-on competitor to the very-similarly named Google Cast, eventually allowing you to control playback of music, movies, podcasts, and more from any app that wants to specifically suppo