March 7, 1989: Apple introduces the Macintosh Portrait Display, a 15-inch vertical grayscale monitor designed to show full pages on a single screen. Intended for word processing and desktop publishing, the $1,099 monitor (plus $599 for an additional video card to run it) works with any Macintosh.
Something of a rarity today, the Macintosh Portrait Display is an early example of the supersized displays Apple would release years later.
March 6, 2008: Apple releases the iPhone software development kit, finally allowing coders to start creating native mobile apps for the new smartphone. The iPhone SDK gives developers the tools they need to unlock the new smartphone’s potential.
March 5, 2012: Apple reaches a staggering milestone, with 25 billion apps downloaded from the iOS App Store. The company celebrates with a giveaway titled the “25 Billion App Countdown.”
March 4, 2014: Peter Oppenheimer, the Apple chief financial officer who presided over a decade of skyrocketing growth, steps down from the company.