After a couple of weeks of rumors about Steve Jobs's health (sparked by his long-term weight loss and decision to pull out of the annual MacWorld conference), the Apple CEO released an unprecedented "open letter" to Mac users, explaining his illness as "a hormone imbalance" that has been "robbing" him of certain essential proteins. He plans to remain as CEO during his recovery. Immediately after the news arrived, recently declining Apple stocks jumped in pre-market trading. [AFP]