Nearly 70% of US smart speaker owners use Amazon Echo devices | TechCrunch
Research: 26% of US adults own a smart speaker as of January 2019
Smart Speakers Market Size, Share | Industry Trends Report 2018-2025
Amazon Echo Maintains Large Market Share Lead in U.S. Smart Speaker User Base - Voicebot.ai
Canalys Newsroom - Global smart speaker market 2021 forecast
Alexa vs Google Home market share | Fing
Amazon Smart Speaker Market Share Falls to 53% in 2019 with Google The Biggest Beneficiary Rising to 31%, Sonos Also Moves Up | Smart speaker, Sonos, Speaker
Baidu surges past Google in global smart speaker sales, becoming the new #2 behind Amazon Echo – GeekWire
Amazon Echo Losing Share as Speaker Rivalry Heats Up - Insider Intelligence Trends, Forecasts & Statistics