Known Unknowns and Unknown Unknowns

I took out my wheely bins this morning and since we have been on holidays I couldn’t remember if it was recycling week or green bin week.  I looked up the street and saw that most people had put out their recycling bin so I did the same. It turns out that nobody knew that it was green bin week.  Everyone had copied the first person to put their bins out, who had in turn just made a guess, leading to a whole street full of smelly bins.

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