Travel, business, and government leaders and pundits have been buzzing about public Wi-Fi for years; projects to wire every corner of major airports have come one after another, upstaged only by projects to wire entire cities. A price and policy war wages among hotel chains as many low and mid-priced chains offer free Internet access while some upscale chains, red-faced but holding tight, still charge as much as $14.95 a day for Internet in your room and hotel lobbies.

Want to wear a Hawaiian shirt to your board meeting in Silicon Valley? Be our guest. But in Dubai? Not so fast. This excerpt from the etiquette guide put together by our colleagues at Condé Nast Traveler explains how to dress appropriately anywhere, from Indonesia to Italy.

SO close and yet so far — a common emotion for the international traveler. Thanks to complicated itineraries, even the most adept planner can end up with a long layover. But thanks to high-speed trains and better urban planning, being stuck at the airport isn’t what it used to be. Some of the best and most convenient options in the following culturally rich cities will be in well-touristed areas, but with, say, six hours at your disposal, all you’ll really want is a taste.