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Virtual Travel Assistant

The free App in the Air bills itself as "a blessing for those who live out of a suitcase" - and they're not kidding. Punny name aside, it acts as a digital assistant for all things travel-related: The app can keep track of your itineraries, expenses, boarding passes and frequent-flier memberships, and it keep you up-to-date on boarding and landing times, as well as wait times for security and customs.

Photograph by Anyaberkut for GettyImages