The first iPhone had no real keyboard, no way to download apps, and no working copy-paste. In January 2007, Steve Jobs spent 80 minutes pitching it onstage at Macworld in San Francisco. By the time he finished, every other smartphone on earth looked outdated.There is more useful product strategy packed into this one-hour video than in most MBA programs. On a recent rewatch, these are the bits that stuck with me most.The first thing he does is take down the keyboard. Jobs puts up a slide of four