Musk talks about the common themes between zip2 and PayPal. Both companies had software and internet technology at the heart, were in Palo Alto, CA, took similar approach to growing (building small talented teams), and had a typical silicon valley flat structure. These companies did not worry too much about IP and paperwork - they were focused on building a great product. Often it is better to pick a path and do it than to vacillate on which path to follow, Musk notes.
