a similar prank went down at Home Depot; they can't do this too often; enough people know about it

I can't resist a good prank! This one is funny!

* It takes a long time to say anything in old Entish .... and we never say anything ... unless it is worth taking a long time to say ....... Treebeard (the Ent), Lord of the Ring

* The time that you enjoy wasting is not wasted time.
Bertrand Russell

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Great stunt! I would have been freaked thinking something weird had happened.