Yeah. Totally. 4 years of work on the spec - here's the first commit: https://github.com/w3c/payment-request/commit/12cda4283ccf66380c814b6d17a4f664f5c098d0 htt

Yeah. Totally. 4 years of work on the spec - here's the first commit: https://github.com/w3c/payment-request/commit/12cda4283ccf66380c814b6d17a4f664f5c098d0 https://github.com/w3c/payment-request/commit/12cda4283ccf66... Similar timeline for browsers working on an implementation. You've got to hate these short attention spans. Seriously: Anything that's browser standards work moves on the time scale of multiple years. Yes, that goes for Persona too - launched in 2011, finally canned in 2016. Just because your pet project doesn't launch doesn't mean there's "short attention span for difficult problems".