Best travel apps: the world at your fingertips

Imagine how much better your guidebook would be if it knew exactly where you were as you read it, what time of day it was and your interests. Welcome to the world of the app.

An “app” (short for application) is basically a program designed to perform a task. You use them already: your word-processor is an app, so is your internet browser. Now the smartphone – mobile phones that do a whole lot more than make calls – has put the app into your pocket.

For travellers the app is big news.

Read the rest at Telegraph.co.uk.