Not just to the tech industry -- to the world. His vision transformed the way people all over the world use technology. Love him or hate him, he was a true transformational leader, and brought technology in so many ways to the masses. Think Differently. He sure did.
I watched the "Let's Talk iPhone" Keynote last night and noticed the empty chair in the front row with the "Reserved" notice on it. Now it seems a bittersweet acknowledgment that Steve was going to be missed.