Collision requires a non-exclusive licence from all entrants, unlimited in time and unlimited in purpose and without an undertaking by the organisers to attribute the creators. Perfect ratings would have been awarded if the licences were required from finalists/winners instead of all entrants, restricted in time and purpose, and included a term to attribute the creators. An additional comment about the Collision competition is that the licence includes preparing derivative works of the entries; this is going too far. Any licence should be limited to the use of the entry in its submitted form only. Beyond that, the creator’s written consent should first sought.