Amazon Wants You to Buy an Echo With That Whole Foods Turkey

Google and Apple are giving chase with competing AI-enhanced digital assistants, but Amazon remains ahead, controlling 70 percent of the $4 billion smart speaker market, according to Bain &Company. 

"They are making a huge investment to push all of their Echo devices and the Alexa platform in general," said Suzanne Tager, a retail expert with Bain.