There is a free e-book available, in multiple formats, called School Libraries: What's Now, What's Next, What's Yet to Come by over 50 authors.
As if we need another term for human behavior, Kristin Fontichiaro argues this is an example of crowd sourcing. Mainly a concept that in the crowd you will have experts on very specific topics that might be difficult to find through the conventional approach to expertise.
In either case the book appears interesting and has found a home on my Kindle.
You can find it at Smashwords.