iPhone: Word Lens app translates written languages, visually, in real time

Imagining pointing your iPhone at a sign in Spanish and seeing it translated into English, directly and in the same position on the sign or menu. Word Lens brings this to your hand, today. This $5 iPhone app currently translates English to Spanish and reverse, but the company says other languages are coming.

This video explains much more than I can in trying to describe something which has been the realm of science fiction for decades.