Every once in a while, an app comes along that is just simple genius. If you are a mobile professional, you must download CardMunch for your iPhone (it's free).
You snap a photo of a business card, and CardMunch sends it to their servers, a human transcribes it with "100% accuracy" - even if there are handwritten notes on it - and sends it back to you in the form of a contact that can be automatically added to your iPhone contact list. Since it's a LinkedIn company, you can also connect with them on LI through one click.
Overview of CardMunch in 21 Seconds from CardMunch on Vimeo.