PayPal is a transaction intermediary service. You don’t want to give your credit card number to a complete stranger and, frankly, I don’t want the responsibility of handling it. That’s where PayPal comes in. PayPal, a subsidiary of E-Bay, has developed the technology and expertise to process online transactions with complete security. All transactions that originate on this website pass through the PayPal gateway, taking place within the confines of high security servers. When you decide to buy Truth or Dare for English Language Learners you’ll see PayPal at the end of the checkout procedure.