TECH

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With iPhone applications flying off the shelves, er, server (the App Store reached more than one billion downloads in nine months), there’s little doubt that apps are the iPhone’s best friend. And with 25,000-plus apps to choose from, there’s a little something for everyone, including our favorite -- the road warrior! Download these eight handy little programs, and everything you need to know to keep you on the go will be right in the palm of your hand.

1. THE CURRENCY CONVERTER Trying to figure out how many Bahraini dinar equal one American dollar or how many Turkish lira equate to a Swiss franc? This app has you covered -- it supports 85 different currencies from around the world. Free

2. HEY TAXI The days of whistling and flagging down a cab are over. Instead, hailing your ride is as simple as making a phone call. Using the iPhone’s built-in GPS, Hey Taxi locates the nearest cab companies in your area based on proximity and response time. View the list; then, call and reserve the taxi of your choice. $1

3. FLIGHTTRACK Wondering if the weather delayed your flight? FlightTrack will give you live weather updates and information about cancellations and delays. But the coolest feature is being able to track your friends, family, or even your own flights on a map. $5