https://www.cnbc.com/2017/11/29/amazon-alexa-for-business-platform-planned.html >Alexa will soon be going to work. >While Amazon has been busy announcing new cloud services for developers this week at its annual re:Invent conference, the company is preparing to talk about new tools that will make it easier for people to use Amazon's Alexa voice-activated virtual assistant in the workplace, four sources have told CNBC.