The Feather Duster: a threat to data quality

You’ve spent weeks sticking pins into your map. You mount it to the wall, a sense of pride that you’ve successfully displayed where all your sales agents are across the country. You’re sure your boss is going to give you a raise. What could go wrong?

“Without a glass cover a wall map is likely to be damaged by the feather duster of the janitor…. If a single tack is found loose on the floor, it causes distrust of the whole tack installation.” (go read the book)

Imagine making the map below, only to find people don’t trust it because the pins are falling out:

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