David Weinberger books

Too Big to Know: Rethinking Knowledge Now That the Facts Aren't the Facts, Experts Are Everywhere, and the Smartest Person in the Room Is the Room (2012)

If you have read something about Big Data then some of the examples here would be familiar (vice versa). This book offers a glimpse and interpretations of previous,mostly successful, instances of highly networked knowledge e.g. Patientslikeme, foldit, open government in US, open data initiatives,...