So-so
They will send you emails to notify you of a survey, then it will tell you that there is an overwhelming number of responses for the survey and thus you are offered another survey, which I qualify for only half the time. Worse still, notification emails will be sent and when you click the link, they will link you to a page to "complete your membership profile" which you dont even get a chance to start. Nevertheless after months of hard work, in fact 2 years, I was able to cash out $160 worth of vouchers. At least i get paid, even if it takes almost a month before i get the vouchers after withdrawing my earnings. You can earn, but chances are not as much as i hoped...