Visa, one of the world's largest credit card companies, is taking aim at "scam" marketing practices that were quietly used by some of the Internet's largest retailers in recent years. Retailers will no longer be able to allow third parties to charge a customer's card without the card owner re-entering credit card information, Visa said Tuesday. This is Visa's response to one of the biggest scandals to rock online retailing in years. Last year, the U.S. Senate Committee on Commerce, Science, and Transportation... read full review »