PayPal is a tool to transact online, to facilitate online payments by providing convenience and security of transcations, because you do not need to fill and give your credit card details of each transaction. Like for example, want to buy products online, you do not need any time to fill in credit card data on their respective web merchant seller, but your credit card details are stored securely at PayPal, and not shared with the merchant's website each time you transact. Also, you personally can use PayPal to send and receive money from PayPal accounts of friends, family or your business associates. So if you have relatives abroad, you can use PayPal to send money overseas easily.
PauPal.com also have an Affiliate program, in which every member who uses PayPal. PayPal can become an Affiliate and refer others to join using PayPal. The commission obtained when you refer using PayPal as a merchant tools in a website to sell products or services. To become an Affiliate PayPal can be found on the link "referrals" as you log in at the bottom of the PayPal website. Click on "referrals". On the page "referrals", you will be given an Affiliate link for your use. Affiliate link you can use the e-mail, website, or on your blog. The commission gained from your referrals who open a PayPal account to the primary account or account type business, where people are using PayPal as a merchant tools or use the feature "send money". The amount of commission earned is 0.5% of a total revenue from featured merchants use tools and send money, and only who clicks on your Affiliate link open the registration page to open a PayPal account through your referral, you an view your PayPal Affiliate link is displayed on your internet browser. Good luck to Affiliate PayPal and be careful of Scam or Phishing.