Where “iPad launch” started

Apple, on Retail, Apr 3, 2010. It reached 5 platforms in 8 months.

LineageContestedKey steps, 12 of 16. Lines follow time and platform
PrecursorAppleFirst postPressCommercialPlatform jumpPlatform jumpOwner responseMilestonePlatform jumpBacklashCommercialAfterlifePatient zero