Allo web has been available on browsers other than Chrome for a while - http://www.androidpolice.com/2017/10/03/allo-web-adds-support-firefox-opera-ios/ http://

Allo web has been available on browsers other than Chrome for a while - http://www.androidpolice.com/2017/10/03/allo-web-adds-support-firefox-opera-ios/ http://www.androidpolice.com/2017/10/03/allo-web-adds-suppor... This gives a good reason why Google Earth is only on Chrome - https://www.reddit.com/r/linux/comments/66ao68/new_version_of_google_earth_runs_on_chrome_only/dghvg1p/ https://www.reddit.com/r/linux/comments/66ao68/new_version_o... Disclaimer: I work at Google but not any of the related teams. I was curious myself about these so I Googled and came across the above two articles so these opinions are of my own.