bugmark-trial / trader1

bugmark trading exercise
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Riddle1 #392

Open andyl opened 6 years ago

andyl commented 6 years ago

The person who makes it, sells it.

The person who buys it, doesn't use it.

The person who uses it, doesn't know he is using it.

What is it?

Make the change and submit a pull request.

/813413

andyl commented 6 years ago

Bugmark is trading this issue.
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