I have no idea, but there sure are a lot of websites speculating on this right now. Thought I might ask the question as well.
http://gizmodo.com/5838873/is-steve-jobs-dead
http://www.huffingtonpost.com/2009/01/06/steve-jobs-dead-how-the-m_n_155639.html
http://www.gossipcop.com/steve-jobs-dead-whats-trending-twitter-death-died-cbs-tweet/
http://www.inquisitr.com/140425/steve-jobs-death-rumors/
And others via Google: http://goo.gl/9kNOJ