The news: Amazon on Tuesday unveiled Alexa Show Mode, which turns select Lenovo Windows 10 PCs into Echo Show-like displays. The feature was first unveiled at CES earlier this year and is activated by saying “Alexa, open Show Mode,” or by clicking on the Show Mode button on the Alexa app. It’s part of Amazon’s push to get its Alexa voice technology everywhere, and an expansion of Alexa for PC. It also further signals the fading consumer relevance of Microsoft’s own voice assistant, Cortana. Amazon in March released an “Alexa for Xbox” app.