Your friend tells you that he's been leaving (neat, unused) stacks of extra napkins on his table at fast food places (instead of throwing them away). This is:
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Foolish, because McDonald's doesn't want you to know this, but the paper napkins are free, you can take them home. I have 4,000 napkins
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Wasted effort. Customers will think someone is still sitting there. Employees will throw them away.
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let's be honest, the employees are just putting those straight in the trash
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