Amazon Echo smart speakers' sales surpass Google Home by a wide margin
https://www.slashgear.com/amazon-echo-smart-speakers-sales-surpass-google-home-by-a-wide-margin-15599718/

related:
Cortana for Android and iOS will disappear in multiple markets soon
https://www.slashgear.com/cortana-for-android-and-ios-will-disappear-in-multiple-markets-soon-16599783/

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One in 5 Americans surveyed say they own an Amazon Echo smart speaker (from $39), supported by new data published by Trading Platforms, a leading education and comparison platform for online traders.

This is consistent with Edison Research and NPR's Smart Audio Report findings.

Google Nest is its next closest competitor with roughly 8 percent of the U.S. market

https://www.usatoday.com/story/tech/columnist/2021/02/20/amazon-alexa-get-most-your-echo-these-tips-and-tricks/4494355001/