In Pictures: When tech empires fall - 10 companies...
Here's how unprepared RIM was for the advent of the iPhone: the day after Steve Jobs revealed the first model on stage in 2007, RIM engineers insisted that he was lying about its capabilities, because no phone could do all that with any kind of useful battery life. They were wrong, of course, but the mistake reflected the obsessions that had kept the BlackBerry on top for years: minimizing power and data usage. With advances in battery tech and 3G networks coming online, these suddenly seemed less relevant, and RIM's hegemony collapsed before it could update its aging operating system. Oh, and it turned out people were OK typing on an on-screen keyboard, too.
In Pictures: When tech empires fall - 10 companies and products that dominated... and then didn't