I don't like celebrities. I don't like our (the USA's) obsession with celebrities, with media personalities, and our general naivete that we can believe we know someone and like someone because they're famous.
But I'm having a pretty emotional reaction to Steve Jobs' death. The computers I use for my job, the computers that brought me and my wife together, they are products of Steve Jobs' vision. Bill Gates wanted everyone to have a computer but didn't have any clue as to why. Steve Jobs wanted everyone to have a computer, and he wanted those computers to make everyone's life more graceful and enjoyable. Before Macs, no one associated computers with images, or music. They were associated with spreadsheets and were maybe useful for storing recipes, or something.
No single person I don't personally know is more directly involved in my moment-to-moment existence, every day, and my life is much better than I think it would have been without what he did.