When creating an IoT prototype, an easy way to start is to pick a computing module that serves as your prototype core. This article explains why the Intel Edison IoT devkit is a good choice for developing IoT prototypes and will also suggest some best practices to follow when developing for it.
Amazon has made its Music Skill API generally available in the Alexa Skills Kit. This API is meant for music service providers, such as Spotify or Pandora, and allows them to add their music service to Alexa-powered devices. Once connected, subscribers will be able to ask for their tunes by voice.