The document discusses how PayPal works and its benefits for online retailers. PayPal allows users to send and receive payments online through linked bank accounts or credit cards. There are three main account types - personal, premier, and business accounts. PayPal saves time, keeps financial information centralized, and allows using different credit cards for different purchases. For online retailers, PayPal offers credit card security, flexibility, money transfer capabilities, an iPhone app, support for online auctions, low costs, and ability to offer discounts. Alternative payment services mentioned include Allpay.net, which is recommended for UK users and offers fast and efficient customer service.