Amazon's booth at CES 2019. (Amazon)
Alexa is embedded in more devices than any other AI assistant, from kitchen appliances to cars, security cameras and jewlery. She also plays multiple roles. At times a home automator, Alexa can also be a point-of-contact with police and an audio playmate for children. She may also soon speak with others on your behalf, according to announcements from Amazon's latest hardware event. Follow news on Alexa here.