The moment I am told, I still exist, but I no longer belong to one person. Add more keepers and I become harder to keep. What am I?

Type:Logic

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Hint: Its value depends on how few people know it.

Reveal answer

The answer is

A secret

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A secret can still exist after being told, but it is no longer private to one person. Each extra keeper makes it less secure.

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Type:LogicTime
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The answer is

A countdown

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Type:Logic
Reveal answer

The answer is

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Type:Logic
Reveal answer

The answer is

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