Amazon Echo

A wearable created entirely by Spotify

On the other hand is 'Mighty', a device that was sold as the first 'iPod for Spotify', which was part of a successful financing campaign
Alexa vs Siri

The virtual assistants that are Siri of Apple and Alexa of Amazon compete for the market of the hotel industry.

It's now official, Alexa - the virtual assistant of the Amazon Echo - is available on the iOS application of the e-commerce giant.
Google Home Assistant

The Google Home Assistant is apparently used by Google to play unsolicited commercials from "partners".
Rumors about a new Amazon music streaming service

The play here, it appears as though, is to make another administration that will make the Amazon Echo, Amazon Tap, and Amazon Dot speakers.
Apple reportedly planning huge upgrade for Siri

It looks like Apple is planning a huge upgrade for Siri.