They invite you to complete the questionnaire and in appreciation of your time and interest, they would like to present you with a small gift: this practical 18-function pocket knife.
from the web site
My personal guarantee
Your entry is strictly confidential. Your replies will be used for internal statistical purposes only and will not be passed on to any other organisations.
Naturally, your participation is entirely free of charge and involves no obligation on your part. Your entry is not linked to any purchase.