Bill Gates and Elon Musk are two of the biggest names in tech.
Gates cofounded Microsoft in 1975, helping to spark the PC revolution. Now he focuses most of his time on philanthropy.
Musk founded PayPal and currently splits his week traveling between Tesla and SpaceX.
Both men also share one habit that's helped them navigate their jam-packed schedules: They plan out every moment of their days.
Gates and Musk are both said to adhere to schedules divided up into five-minute slots.
