Just clicked on the link and it says I already completed survey.
Not sure about a different device or clearing cookies lets you repeat.
No I wasn't taking it a second time, reposted and wanted to check link was accurate
If a respondent's browser is set to dump cookies each time it's closed, then they can access the survey multiple times.
That was a different device and IP, LoL Now you had me too curious so googled.
They use cookies... Funny they tell you the way to get around!
Just clicked on the link and it says I already completed survey.