(There are seven returning advertisers, including Reebok, Target and Visa.)

Major credit cards, including Visa and MasterCard, are accepted in most hotels, guesthouses, restaurants and tourist shops.

Perfect 10 proceeded to file lawsuits against even bigger companies, including Google, Amazon.com, Visa and MasterCard, but was unsuccessful.

Major companies, including Visa and MasterCard, sever links with the whistle-blowing website.

Every resort takes major credit cards including Visa, Amex and MasterCard.

Major credit cards, including Visa, Mastercard, and American Express, are accepted in most locations catering to tourists.

To smooth these glitches, several companies, including Visa and Intuit, are working on ways to have companies send bills through a form of electronic mail.

In addition, companies - including Mastercard, Visa and PayPal - have withdrawn the ability that allows people to donate to the site.

"It has the potential to create a major competitor to the existing payment systems, including Visa and MasterCard."

At least 10 other advertisers, including Visa and Sony, are also planning to test the technology.