One of the biggest things I see folks get overconfident about is assuming that they know enough that they can stop listening. I've had so many instances where I've talked in a meeting and gotten cut off before I could finish my sentence, only to have the speaker address something completely different than the point I was about to make because they just assumed they knew what was about to come out of my mouth. Or engineers and designers starting to break down tasks and start work before they even completely understand the feature they're supposed to be building and just run away with their assumptions.
We collectively could save so much time if we just shut up and listened just a little bit longer when our colleagues speak!
(to be clear, nearly everyone I know - including me - is guilty of this at some point. this is not a subtweet of a specific person)
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