In "Steve Jobs: The Lost Interview" (which is great), Jobs mentions that when he was twelve he needed some computer parts and looked up Bill Hewlett in the phon

In "Steve Jobs: The Lost Interview" (which is great), Jobs mentions that when he was twelve he needed some computer parts and looked up Bill Hewlett in the phone book and called him at home. Hewlett picked up, Jobs got the parts and a job at HP (summer job?). Maybe people used to respect other peoples time more and having a listed number was not a big problem.