There's also the capability of saving the location of a restaurant you like, that great used bookstore or the place in the airport parking lot where you left your car.

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Even though there is no sign marking the bar's location at the back of the restaurant, the 50-person space is so popular that there's often a waitlist to get in.

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The hassle factor will be enormous, with the taxmen presumably demanding proof of location during the year via the likes of airline tickets and golf or restaurant receipts.

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Someone searching for the location on Maps of a Chinese restaurant in Paris is a pretty good target for advertising restaurants in Paris to.

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When the chef Andy Ricker chose the location for the New York branch of Pok Pok, his Southeast Asian restaurant in Portland, Oregon, he went a bit off the beaten path, to the Columbia Street Waterfront.

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The most distant location I've heard of with a Mexican restaurant was Olan Batar in Outer Mongolia, and I'm sure it will go even farther from there.

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To keep the location budget down, he may offer a hotel or existing restaurant a percentage of bar sales.

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Along that same data spine, customers can add reviews, limousine services and florists can enhance the dining experience, and a location-aware Smartphone app can tell you what restaurant within walking distance of where you are has a table available right now.

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