Paper plane chat experiment

[easafe]

Rules:

• Leave an anonymous message (paper plane) that will randomly go to another user
• Recipient can decide to keep plane or throw it again
• If a user keep a plane from another user who has kept their plan before, it is a match
• A match means a chat is started

Restrictions:

• Every user can only send one plane per week or until a match
• Users can throw planes again without restrictions
• A plane stops flying after being kept or after being thrown again 7 times