Microsoft is extending its partnership with Amazon in a big way, as the Microsoft Store is now selling both the second-generation Echo and the third-generation Echo Dot Alexa-powered smart speakers. The Microsoft Store offers both the Echo and the Echo Dot at their regular MSRPs of $99 and $49 respectively.
This is a striking turn of events

Source: Hot Hardware – Amazon Echo Now On Sale In Microsoft Store Undermining Cortana AI Assistant Push