Amazon sweeps U.S. market for voice-controlled speakers: 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 study found. 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.
Source:: http://finance.yahoo.com/news/amazon-sweeps-u-market-voice-100534606.html