3 principles guide Elon Musk's brilliant marketing strategy for Tesla and the Cybertruck

· Billionaire Tesla CEO Elon Musk says there have been 250,000 preorders for the Cybertruck, an electric car he unveiled last year. The car is scheduled for production in late 2021. 
· Innovation scholars in the Harvard Business Review credit the company's accelerated growth to using "innovation capital," studying the...