Infinite scroll needs to die a fire. The devs that write infinite scrolling that also lacks jumping ability, page linking or "skip to end", deserve to be set ablaze in the same fire. What a nightmare. I feel like even rudimentary testing with insufficient dummy data would reveal massive UX regressions.

And why oh why are people still writing Javascript that uses hashbangs? Educate yourself, use pushState.

(And the new Google Groups is arguably the worst of Google's redesigns. It takes a measurable 2-3 seconds when hitting the [<-] arrow to go back from a thread to the group, not to mention it's the worst examples of both of these issuses).