Lisa Bernier

Have you ever wondered whether you were colorblind or just needed glasses, but you're not sure if an appointment with the eye doctor is warranted? Well, with the Vision Test App, all you need is your phone to know if you need to start trying on frames.

You're on vacation. You come across a landmark: the Eiffel Tower, the Empire State Building, the Pyramids of Giza—or the world's largest rubber-band ball. You wonder, how tall is it really? But you didn't get the audio guide. Well, whip out your phone and use the Smart Measure app, and the knowledge will be yours in just a few seconds.

At a press conference this morning in San Francisco, Apple introduced the iPhone 5. The latest version of the best-selling smartphone has been highly anticipated ever since the somewhat disappointing release of the previous iteration, the iPhone 4s.