I've filled out the Opinion Survey information page on a few occasions, and when I clicked submit, it said, "sorry, there are no surveys at this time". lol
I've even clicked start survey and was told there are no surveys. It happens. I'm sure the survey company conducting the survey can read a persons IP address. This keeps people from taking surveys over and over.
The surveys fund my Callaway golf balls with ease. I, along with others will assure you, the surveys work. And handily.