After The BuglesPaperback - 1981
You can find the answers to all these questions in the book.
It describes the main trends in development of our digital society. It appeals to those who are curious about what will replace search engines, and how social networking services will evolve. It is about the profit from different forms of informational collaboration (crowdsourcing, collaborative filtering) and how it will affect the structure of the society and human pursuit for happiness.