Elon Musk has been saying for a decade that Tesla is a software company. The man who helped make it that way is headed for greener pastures at perhaps the worst possible time. According to insiders who spoke to Bloomberg, longtime Tesla software VP David Lau is departing the company after nearly 13 years. Throughout his tenure at Tesla, Lau not only oversaw the electric vehicle company's "infotainment" systems and over-air updates, but also was one of the few C-suiters who would regularly appear with Musk at promotional events as, essentially, the face of its tech. For most of Lau's time […]