Google executive Susan Wojcicki, currently CEO of YouTube, presents The Eight Pillars of Innovation,

Think big but start small. No matter how ambitious the plan, you have to roll up your sleeves and start somewhere. Google Books, which has brought the content of millions of books online, was an idea that our founder, Larry Page, had for a long time. People thought it was too crazy even to try, but he went ahead and bought a scanner and hooked it up in his office. He began scanning pages, timed how long it took with a metronome, ran the numbers and realized it would be possible to bring the world’s books online. Today, our Book Search index contains over 10 million books.