Credit Cards

We've all been there: You wait in a long line at a busy coffee shop, you pay for your drink with a credit card, and notice the tip jar sitting on the counter. Without cash, there was no way to show your appreciation for that kick-ass cup o' joe. That's where the DipJar comes in.

Seems like every big bank has started offering prepaid debit cards, giving people without bank accounts a way to pay with plastic. Now, smaller bank Kaiku Finance is launching the "Kaiku Card" -- and it's hoping that regular customers will slip its prepaid cards into their wallets too.

American Express remains the most beloved credit card issuer in the country. For the sixth year in a row, the card issuer has taken first place for customer satisfaction, according to a survey of nearly 14,000 credit card customers conducted by J.D. Power and Associates.

Robo-signing isn't just for mortgages anymore. Credit card banks suing their customers for what they're allegedly owed are showing up to most court hearings with flawed and improper documents, incomplete records, and cookie-cutter testimony.

When you're traveling abroad, the last thing you might be worried about is whether your credit card will speak the native language, but because U.S. cards lack a certain key bit of technology, many times, they won't. But in some cases, that will soon be changing.

Starbucks plans to switch its processing of debit and credit card payments to mobile payments start-up Square, the two companies said Tuesday, in a deal will help establish two-year-old Square as a bona fide player in the industry.

Long-suffering businesses have won a big concession from Visa and MasterCard: the right to add surcharges to credit card purchases. But despite the panicky rhetoric that followed the deal, there's reason to believe not many retailers will take advantage.