Refer and Earn apps are becoming more and more popular as a way for users to earn rewards by referring friends and family, and as a marketing strategy for companies looking to expand their clientele. By giving users a special referral liearn money game apknk to distribute among their network, these applications work. The referral gets paid a reward—which could be cash, discounts, gift cards, or other incentives—when someone joins up or purchases something using that link. By rewarding users for sharing goods or services they value, this system helps businesses grow their clientele as well as individuals. Using their social networks to their advantage, these apps take advantage of the power of word-of-mouth advertising.