Considering the long term perspective of Buffett's investments, I'd say Bill was spot on. I could say oil companies are equally doomed and in a 10 year perspective I know I am right. That doesn't mean they won't make loads of money the coming few years.
That's actually a really good question. Since the PC era of the 80s startups have been software only. Perhaps with mobile platforms opening up we will see more devices from startups.