Who started “Ellen DeGeneres's Oscars selfie”?

@TheEllenShow / Bradley Cooper, on X, Mar 3, 2014. It reached 3 platforms in 3.2 years.

LineageContestedKey steps, 8 of 16. Lines follow time and platform
If only Bradley's arm was longer. Best photo ever. #oscars http://t.co/C9U5NOtGap@TheEllenShow / Bradley CooperFirst postMilestoneBacklashCommercialPressBacklashPressAfterlifePatient zero