In my experience “pop” is connotationally very different from how the Boston rationalists “backthumb”; “backthumb” contains a value judgement that the nascent conversation branch would be a poor use of time even if there is much that could be said about it, while “pop” is primarily used to return to a previous topic after a conversation branch has exhausted itself naturally.
In my experience “pop” is connotationally very different from how the Boston rationalists “backthumb”; “backthumb” contains a value judgement that the nascent conversation branch would be a poor use of time even if there is much that could be said about it, while “pop” is primarily used to return to a previous topic after a conversation branch has exhausted itself naturally.