Who is Alexa?
Alexa is a virtual assistant built into Echo devices created by Amazon and has been around for a couple of years. amazon
Alexa listens to your voice commands and responds. It can also create and maintain to-do lists, help listen to tracks on a music service, shop online, and even control your smart home devices.
How does Alexa work?
"Alexa play my favourite song"
The secret is Amazon cloud computing services amazon web services"
alexa ALEXA VOICE SERVICE
The AVS will search the music service you have set up in the device "Alexa, play the song Carnival of Rust" then send a command to the Echo to play the music you requested alexa
Alexa... Turn on the kitchen lights Alexa can also work with other smart home devices set up in your home