Amazon Echo is a hands-free speaker you control with your voice. Echo connects to the Alexa Voice Service to play music, provide information, news, sports scores, weather, and more—instantly. … Echo provides hands-free voice control for Amazon Music, Prime Music, Spotify, Pandora

Why Alexa?

Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Examples of these skills include the ability to play music, answer general questions, set an alarm or timer and more. Alexa is built in the cloud, so it is always getting smarter. The more customers use Alexa, the more she adapts to speech patterns, vocabulary, and personal preferences. With Alexa, developers can build new voice experiences and take advantage of the following benefits

Natural user interfaces, like those based on speech, represent the next major disruption in computing. Get in early. Leave understanding human speech to us and focus on your differentiated value-add to customers.

Reach customers on Alexa-enabled devices, including Amazon Echo, Fire TV devices and all devices powered by the Alexa Voice Service. Echo was the #1 seller across all $100+ products on on Black Friday in 2015

It’s completely free to use AVS and ASK to build or power your voice experiences. You can use your existing cloud-based service or AWS Lambda, a cloud-based service which is free for the first one million calls per month.