I do a similar thing, but with conversations. Some friends and I have become more aware of unintentional subject changes, and instead of letting the old topic r

I do a similar thing, but with conversations. Some friends and I have become more aware of unintentional subject changes, and instead of letting the old topic roll under our wheels, we say "push," and "pop" when we are done with the temporary subject change. This keeps us focused on the original topic because a stack push feels more transitory. And it's not just the geeks. (But it's mostly the geeks.)