aol, apple, ebay, facebook, google, netflix, office depot, office max--i can--staples, yahoo, and youtube. >> right. >> how do you argue that you had something to do with google? it just seems so outlandish or look, microsoft and google, all these people have patents of their own. they all enforce patents. they all charge other companies for patents, and all i'm trying to do is get back the investment that i made to create these patents. >> we kept hearing that what he's really trying to do is gain recognition as a tech visionary, but with his book idea man, he's being branded a bitter billionaire. what's your reaction to people saying it's kind of a revenge book, a bitter book? >> it's not about that. i just felt like, you know, it's an important piece of technology history, and i should tell it like it happened, and i hope people understand and respect that. >> but for all the bad feelings allen writes about with gates, near the end of the book, he reveals something that happened when he got cancer a second time in 2009. and he came to see you. he comforted you when you were sick. >> right. bill came, you know, here to my house multiple times, and we had some great talks, and there's a bo