Every valid credit card incorporates security elements designed to enable merchants to verify the card's authenticity and you should know how to inspect them....
In the US, Visa and AmEx are growing faster than their domestic rivals - MasterCard and Discover - but globally, China UnionPay is expanding faster than anyone....
The super rich owners of American Express' premium Black card are buying Hyundais to test the reliability of AmEx's system, before moving on to buy a Bentley....
AmEx is ranked highest for customer satisfaction for the 7th year in a row; Discover is close second and Visa and MasterCard issuers are lagging far behind....
Merchants should stop fixating on credit card processing fees as much as they do or at least stop resorting to extortionary methods to try to get what they want....