"Part of what we know about neuroscience explains why formal brainstorming fails. The brain can’t make the necessary connections needed for brilliant insight in a rigid environment. There’s too much pressure and too much influence. People instinctively mimic others’ opinions, leading to suggestions and thoughts that are often predictable and stale."
"Google allows employees to spend up to 20 percent of their time working on personal projects as part of its Innovation Time Off initiate. According to Marissa Mayer, former vice president of search products and user experience (now Yahoo CEO), half of all new product launches at the company—Gmail and Google News, for example—have come from the program."