Within minutes of his death, tributes flooded in, including millions on Facebook and Twitter.
Blake Seely, Apple employee
"His legacy wasn't any specific product. It's Apple. That's a lot of pressure. We have to rise to it and make all his work worth it (and that's a crushing thought right now)."
President Barack Obama
"Steve was among the greatest of American innovators--brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it -- Steve was fond of saying that he lived every day like it was his last. Because he did, he transformed our lives, redefined entire industries, and achieved one of the rarest feats in human history: he changed the way each of us sees the world."
Carol Bartz, former CEO of Yahoo
"It's the ultimate sadness. First of all, it's a young person who was revered, sometimes feared, but always revered. He was a very special person, and he didn't get to where he was by having people like him all the time. He got to where he was because he had a vision."
Bill Gates, Microsoft cofounder
"The world rarely sees someone who has had the profound impact Steve has had, the effects of which will be felt for many generations to come. For those of us lucky enough to get to work with him, it's been an insanely great honor. I will miss Steve immensely."
Randy Wigginton, early Apple developer
"I won't remember Steve as a technologist, because that wasn't his forte. Nor will I remember him as a CEO, because his goal wasn't fame or power. I'll remember him as an exceptional human being, who understood the needs of ordinary humans and inspired them to superhuman accomplishments."
Nicolas Sarkozy, president of France
"His capacity to revolutionize entire economic fields though the power of his imagination and technology is a source of inspiration for millions of engineers and businesspeople around the world. Inspired and inspiring, Steve Jobs will remain as one of the greatest characters of our time."
Marc Andreessen, Netscape cofounder
"Steve is the best our industry ever produced--I don't think anyone will ever match his accomplishments."
"Thank you, Steve Jobs, for all of the fun and amazing ways you made our lives better--Sent from my iPhone."
"Steve lived the California Dream every day of his life and he changed the world and inspired all of us."
Michael Bloomberg, New York mayor
"America lost a genius who will be remembered with Edison and Einstein, and whose ideas will shape the world for generations to come."
Jerry Yang, cofounder of Yahoo
"Steve was my hero growing up. He not only gave me a lot of personal advice and encouragement, he showed all of us how innovation can change lives. I will miss him dearly, as will the world."
Robert Iger, Disney CEO
"Steve Jobs was a great friend as well as a trusted adviser. His legacy will extend far beyond the products he created or the businesses he built. It will be the millions of people he inspired, the lives he changed, and the culture he defined."
Mark Zuckerberg, Facebook founder and CEO
"Steve, thank you for being a mentor and a friend. Thanks for showing that what you build can change the world. …