[C]ollaborative production is simple: no one person can take credit for what gets created, and the project could not come into being without the participation of many.
Clay ShirkyIt did not take long after the rise of the commercial printing press before someone figured out that erotic novels were a good idea. ... It took people another 150 years to even think of the scientific journal.
Clay ShirkyWikipedia took the idea of peer review and applied it to volunteers on a global scale, becoming the most important English reference work in less than 10 years. Yet the cumulative time devoted to creating Wikipedia, something like 100 million hours of human thought, is expended by Americans every weekend, just watching ads.
Clay Shirky