Digital Tip Jar Lets You Leave a Dollar With Your Credit Card

Paying for a quick meal or drink with a debit or credit card is convenient for customers, but the lack of physical currency means there's a less of a chance of waitstaff or baristas getting a tip. At least until the tests of the DipJar digital tip jar are deemed successful and it becomes widely available. » 9/04/12 5:20pm 9/04/12 5:20pm