Last year consumers around the globe purchased more than 78 million smart speakers like the Amazon Echo. The e-commerce giant’s hit product is powered by Alexa, a voice-activated digital assistant that can respond to spoken commands. For example, ask Alexa what the weather is like and she will respond with the temperature as well as the chance for rain. In its marketing materials, Amazon says that Alexa “lives in the cloud and is always getting smarter.” But while many customers Continue reading