Amazon sweeps U.S. market for voice-controlled speakers

Amazon.com Inc is dominating the nascent market for voice-controlled speakers, research firm eMarketer has revealed in a new study. The e-commerce giant's Amazon Echo and Echo Dot devices will claim a 70.6 percent share of the U.S. market this year. The speakers feature Alexa, Amazon's voice-controlled aide, which users can tell to play music, order an Uber or turn on the house lights. Inc is dominating the nascent market for voice-controlled speakers, research firm eMarketer has revealed in a new study. The e-commerce giant's Amazon Echo and Echo Dot devices will claim a 70.6 percent share of the U.S. market this year Amazon Echo and Echo Dot devices are expected to claim a 70.6 percent share of the U.S. market this year.