Apple says co-founder Steve Jobs has died. He was 56. "We are deeply saddened to announce that Steve Jobs passed away today," the company said in a brief statement. "Steve's brilliance, passion and energy were the source of countless innovations that enrich and improve all of our lives. The world is immeasurably better because of Steve." The company also posted the announcement on its homepage Wednesday evening, with a message saying: "Apple has lost a visionary and creative genius, and the world has lost an amazing human being. Those of us who have been fortunate enough to know and work with Steve have lost a dear friend and an inspiring mentor. Steve leaves behind a company that only he could have built, and his spirit will forever be the foundation of Apple."