Hee, your finding-a-seat superpower reminded me of How to Ditch Your Fairy, where everyone gets a bit of minor good luck, and the protagonist's is always being able to find a parking space.
My random knack is recalling specific details that there is no reason for me to have memorized, from "Your cousin's kid's name is X" (a thing I've had to recall for my husband when I've met the person in question exactly once, two decades ago, alongside a large group of other people I was meeting for the first time) to "We received that quote around April 2013 and it was for like seventeen thousand dollars" (which is often useful at work).
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My random knack is recalling specific details that there is no reason for me to have memorized, from "Your cousin's kid's name is X" (a thing I've had to recall for my husband when I've met the person in question exactly once, two decades ago, alongside a large group of other people I was meeting for the first time) to "We received that quote around April 2013 and it was for like seventeen thousand dollars" (which is often useful at work).