How to validate a credit card with your mind…or at least the calculator on your mobile phone.
About the Author: skribe
Based in Perth, Australia, Antonio Barimen (aka skribe) is a writer, digital media consultant and social media producer.
He is available to help you develop social marketing and digital media strategies, improving communication between staff, partners and suppliers or just increasing the number of fans on Facebook. He has developed successful digital and social media projects for clients including CBS, Evian, Procter & Gamble, Discovery Networks, Pernod Ricard and American Express.