By Luc Olinga The two billionaires have $439 billion between them and are more rivals than friends. Elon Musk and Jeff Bezos are the two richest people in the world. They are tech-savvy and entrepreneurs who have both disrupted legacy industries. Automotive with Tesla (TSLA) – Get Tesla Inc Report for Musk and trade and distribution with Amazon (AMZN) – Get Amazon.com, Inc. Report for Bezos. They have not finished transforming the world given the ambitions they continue to nurture. But very often, the two tech tycoons find themselves rivals. They clash on multiple fronts and even over their li…