For one, he's incredibly smart but has only the barest knowledge of computers. He doesn't do e-mail, can't use a mouse with any proficiency, or even scroll down a computer screen.
It's not that he can't figure it out, Michael explained. He's just not interested.
"He's an engineer at heart, so he's very analytical," he said.
He's not a gadget guy. His "personal digital assistant" is an 11-by-17 inch leather-bound book, with all the contacts and phone numbers he needs listed in alphabetical order, Kim said. The phone numbers he needs most, he's memorized.
He did finally break down and learn how to text from his phone, primarily because that's the easiest way for him to stay in touch with his family.
He refuses to use a GPS but can plot the shortest distance between two points on any map – accounting for traffic signal delays – and will argue with his kids if they try to take what he considers "the long way.