Don't forget Bezos. My friend who was an early Amazon employee who worked down the hall from him tells me Bezos is a fucking psychopath.
When I was a kid, he autographed my Apple ][ reference manual (the new spiral bound one that replaced the old Red Book, with the fold-out schematics and 6502 assembly monitor rom listings in the back), "Have fun with your Apple ][. -Woz".
A short, to the point, motivational, practical call to action. I sure did!