Here's a collection of comments from several well-known executives, technologists, and politicians.

, co-founder and chairman of Microsoft:

"I'm truly saddened to learn of Steve Jobs' death. Melinda and I extend our sincere condolences to his family and friends, and to everyone Steve has touched through his work.

"Steve and I first met nearly 30 years ago, and have been colleagues, competitors and friends over the course of more than half our lives.

"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.