This year flew by, and we all learned a lot along the way—especially in the world of tech. Herewith, my personal list of the eight vital lessons of 2012. 1. The Death of Steve Jobs Adversely Affected Apple: Apple stumbled badly with its Maps app, whose icon hinted at the app’s incompetence: It was directions for driving off a bridge. The app was a huge embarrassment for Apple, something that probably wouldn’t have happened if Steve Jobs had remained at the helm.