Remember the Babel Fish? As fans of "The Hitchhiker's Guide to the Galaxy" will recall, it lived in your ear and immediately translated whatever language a person was speaking into whatever language you could understand.
Word Lens for iPhone works just like a Babel Fish, except it doesn't live in your ear, and it translates only printed text, not spoken words. But it's no less amazing.
Working a kind of magic I can't fully understand, Word Lens instantly translates whatever text your iPhone camera sees. Point it at a sign that's written in Spanish and you'll immediately see its English translation. Or go the other way: Point it at a menu that's written in English and you'll instantly see Spanish.
Ay caramba! Seriously, you have to see the app in action to fully appreciate it. So with that in mind, watch this: