Where “Twitter Blue $8 verification” started

Twitter, on App stores, Nov 9, 2022. It reached 5 platforms in 7 weeks.

LineageContestedKey steps, 12 of 16. Lines follow time and platform
PrecursorTwitterFirst postPressBacklashBacklashOwner responsePlatform jumpMilestonePressCommercialAfterlifeCommercialPatient zero