Tired of Prying Off Stickers? Tattooed Fruit Is on the Way

We all hate having to peel those price look-up (PLU) stickers off of any fruit we purchase at the grocery store. A new form of identification is in the works that may eventually save you that hassle.

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Additional information from All About Apples
PLU codes have been used by supermarkets since 1990 to make check-out and inventory control easier, faster, and more accurate. Most PLUs are 4 digit codes, but if its a five digit code starting with a 9, that means the fruit has been organically grown. If it's five digits and starts with an 8, then its genetically engineered produce. An apple variety can also have two different PLUs depending on the size of the apple -- small or large, and there are different PLU codes by country.

Here's a U.S. list of apples and their corresponding PLUs.