re: #20 I cannot.

The Twitter edit button is a potential fuckery that MUST NOT be permitted to exist.

I don’t know how Twitter works, but I do know how commenting sections work in general.

Yahoo is a Dumpster fire of people writing a comment, getting a whole bunch of responses, then changing the wording of their comment in the edit function.

Mr. Johnson’s Home for Wayward Political Junkies seems to have it down well: A strictly limited time you can edit a comment, after which it’s frozen.