Amazon has finally revealed how many Alexa devices have been sold (AMZN)
2:42pm PST - January 4th, 2019 amzn - Business InsiderAhead of CES 2019, Amazon revealed how many Alexa devices it's sold. The 100 million figure includes devices that Amazon makes as well as third-party gadgets with Alexa built-in. The announcement comes as Amazon and Google are expected to put their AI voice a…