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Chrome Canary just killed uBlock Origin and other Manifest V2 extensions
(www.androidpolice.com)
This is a most excellent place for technology news and articles.
I take it you've never been involved in such an endeavor? What you propose would take a decade a minimum due to the sheer number of nested advisory committees that would be required for those groups to interface. Better a non-profit group begins the work and then solicits these group's input at the design stage.
I think super-apps are the way to go, only way to prevent one company from monopolizing click-stream data for advertising.
some apps already do this and their users don't suffer from the same issue (granted, they have different issues)