Bill Gates shares the four habits and hacks he does to get the most out of his reading.

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I don't let myself start a book that I'm not going to finish. You know, when you're reading, you have to be careful that you really are concentrating, particularly if it's a non-fiction book. Are you taking the new knowledge and sort of attaching it to the knowledge you have? For me, taking notes helps make sure that I'm really thinking hard about what's in there. If I disagree with the book, sometimes it takes a long time to read the book, because I'm writing so much in the margin. It's actually kind of frustrating. Oh, please say something I agree with so I can get through to the end of this book. So there's this one, it's a fiction book called Infinite Jest, but I'm trying to decide if I start it or not, because I watched the movie The End of the Tour. I loved it. David Foster Wallace comes across as a super interesting, broad-thinking person. If the book was like a 200- or 300-page book, there's no doubt as soon as I watch that movie I'd dive in. But it's quite long and complicated, and I don't want to make an exception. It's my rule to get to the end. Over time I will make The Switch, but when I'm just sitting there at night reading, often a paper magazine or the book, I'm used to that. And it's ridiculous, because I have this whole book bag that goes on my trips with me, and it's voluminous and antiquated. If you're reading books like these, you'd want to be sitting down for an hour at a time, because otherwise just getting your mind around, okay, what was I reading, is not the kind of thing you can do five minutes here, ten minutes there. Magazine articles fit, or short YouTube videos fit into those little slots. And so every night I'm reading a little over an hour, so I can take my current book and make some progress.