my experience is that they just want your sensitive personal information for free, with multiple text messages and phone calls continually reminding you to finish modules, i was told at the end a link would be sent to me regarding a $20 gift voucher for my efforts, which i never received and i followed up on to occasions and then was told i had missed the deadline. At the end i just felt resentful i was being used. after genuinely putting effort into this experiment.