Financial services and credit card issuer American Express has posted a new web page on its site, extolling the benefits of Apple Pay and instructing users on how to add their cards to the Passbook-based payment system. The mobile payment system is designed for the new iPhone 6 and iPhone 6 Plus (now expanded to include the latest iPads for online or in-app purchases only) and will be formally rolled out on Monday, alongside the release of iOS 8.1….
