Apple chief executive Steve Jobs made a surprise appearance on the company's fourth quarter conference call Tuesday and fielded a variety of questions that revealed further insight into company's ongoing product strategies. Specifically, he made remarks about Apple's position on the emerging NetBook space, how the troubled global economy impacts the company, the state of Apple TV, and how Apple views the prospects for $500 desktop PCs.

Steve Jobs on Apple's cash, NetBooks, Apple TV, and cheap PCs