I told him, this was the 'hacker' of the 80s, read how he managed to 'hack' all these places. My father replied, "I'm pretty sure I won't understand anything he would do". Me, "Just give it a chance, you'll be surprised"
When he gave the book back, I asked my father if anything Kevin did my father wouldn't have understood. My father said, "I understood everything he did". I asked, "Now, when you get a call from someone you don't know claiming to be an authority figure, what do you do?". Father: "Hang up"