Refer and Earn programs have been very popular lately, both as a profitable opportunity for users and as an efficient approach for businesses to acquire new customers. These prpaly store downloadograms work by sending out links or special referral codes to users, which they can share on social media. The user who shared the referral gets paid when a new customer signs up or purchases something using it. Gift cards, merchandise discounts, cash incentives, & other worthwhile benefits are some of the common formats in which rewards are offered.