Although we can’t recall ever seeing such a thing, apparently some Best Buy stores have giant numbers up near the register detailing information about that day’s sales. A long blogger was intrigued enough to decode the numbers, and has explained their meaning on his site.

Learn these well enough and you’ll be able to start all sorts of awkward coversations with your Best Buy employees. “I don’t see the need to buy a Product Replacement Plan today when you’re already over the corporate average today!”

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