To be fair I've received those 'give a review' cards on some things I've bought from Amazon before. Out of curiosity I went along with the game, knowing it was

To be fair I've received those 'give a review' cards on some things I've bought from Amazon before. Out of curiosity I went along with the game, knowing it was probably a scam, and whilst still giving honest reviews because the products were actually good, to be fair to them they actually paid out very promptly with an Amazon gift card voucher code. Products basically paid for themselves.