After registering for the app, users get a special code or link that they can use to refer others. They can then share the link on multiple platforms, including social media, email, and messaging apps. The u777 winning slotsser receives a reward when someone in their network uses that link to sign up for a service or make a purchase. This could come as money, coupons, gift cards, discounts, or points that can be exchanged for different goods. These apps are appealing because they offer two benefits: users can make money from their social interactions, and businesses can expand their customer base through word-of-mouth advertising.