For instance, on a road trip, travelers are confident that a GPS and map will guide them to the destination.

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An innovative digital guide and map, the KYF Compass highlights USDA-supported local food projects around the country.

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Matt Carter, a teacher at Orca K-8 School in Seattle, has joined in the boycott because he thinks the MAP exam wastes his student's time and does not help guide his teaching.

WSJ: Seattle Teachers Protest Exams

The app also includes travel planning tools to book a trip, destination guides, flight check-in, an interactive trip map and the "What's Next" feature to help guide customers to the next point in their journey.

ENGADGET: Delta introduces Fly Delta app for iPad, iOS 6 Passbook integration

First, before departure, I gathered a collection of guide books from Lonely Planet and a large fold out map of each city.

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Our Investment Guide provides a trustworthy map that guides you to tantalizing opportunities--and also warns you away from unseen perils.

FORBES: Prospering in Tough Times

The Almanac offers a complete guide to the electoral map of Britain, with profiles of every constituency and a biographical profile of every member of parliament.

ECONOMIST: New books to help you make sense out of the nonsense