Small storage rooms free to use

You know the storage rooms on trainstations and some shopping centers, where you drop a coin (10-20 DKK) to store your bag for a period.

I never have coins on me, so I though, why not let me store my stuff for free in exchange for some info...

The process:
1. I put my bag in the storage room
2. Closes the door
3. Locking the door by typing a password of my choise
4. Leaving....

5. Comming back, wanting to get my bag.
6. typing the password
7. If the password is correct, then I'm asked to answer a questionnaire of some kind.
could be:
- Polls about Politics or city plans
- Popular music/art...
- Semi personal: What was your purpose of your visit to this city
- Product related questions

The cost of having the storagerooms are sponsored by the questionnaires.

The questions shouldn't take too long to fill out, and should be anonymous.

Get personal with your public elected

Go-cards - we all know... Small simple idea is to have Go-cards pre-addressed to political parties, making it easy to let them hear your voice.

Could be combined with a poll on each card, giving the party something in return for listening to your ideas and complaints ...