Alexa is Amazon’s voice service and the brain behind millions of devices like the Amazon Echo Dot. Since Amazon introduced the Echo smart speaker in 2014, Amazon has steadily become the hottest name in smart home products on the market. Suddenly, every tech company wants to integrate its products with Amazon’s customizable virtual assistant, Alexa. Customers can use Alexa to control smart home devices such as cameras, door locks, entertainment systems, and lighting.