Yang and fellow Stanford University doctoral student, David Filo, created the precursor to Yahoo! to aid them in their use of the burgeoning world wide . What began as a simple hobby. David Filo is a tech entrepreneur and businessman who co-founded Yahoo! with Jerry Yang. In March 2013 his approximate net worth was $1.7 billion making him the 882 nd wealthiest.
Arthur O'sullivan Microeconomics: Principles, Applications, And Tools Pdf