Elon Musk reportedly tells Tesla employees that they should just leave meetings or hang up the phone if it's not productive (TSLA)

Jalopnik got its hands on a letter from Elon Musk to his employees at Tesla Motors, in which he lays out a plan to get production of its Model 3 electric car back on track by embracing a 24/7 shift schedule, while also urging workers to keep pushing towards greater productivity. To that end, Musk includes several of his own personal productivity tips.