When you ask people: Who had the biggest impact on media last year? Who changed the rules we all play by? Who opened our eyes? Who was the Person of the Year in media? many respond, without a moment's hesitation, Barack Obama. We didn't pick him.

Apple's App Store is changing the world. Where YouTube brought in the golden era of user-generated content, the App Store is bringing in the age of small-business-generated content. Fitting, then, that it wasn't Apple's idea, but that of a small business.