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The Definitive Guide to Drupal 7 by Károly Négyesi, Claudina Sarahe, Dani Nordin, Ed Carlevale, Benjamin Melançon, Amye Scavarda, Ryan Szrama, Kay VanValkenburgh, Brian Travis, Greg Anderson, Robert Douglass, Roy Scholten, Peter Wolanin, Susan Stewart, Mike Gifford, Forest Mars, Sam Boyer, Florian Lorétan, Allie Micka, Jake Strawn, Stefan Freudenberg, Dmitri Gaskin, Bojhan Somers, Albert Albala, George Cassie, Kasey Qynn Dolin, Jacine Luisi, Dan Hakimzadeh, Robin Monks, Nathaniel Catchpole, Stéphane Corlosquet, Mike Ryan, Michelle Lauer, Greg Stout

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C H A P T E R  5

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Creating Community Web Sites with Organic Groups

by Ed Carlevale

Many aspects of Drupal will be recognized as revolutionary in the years to come, but the revolution, still largely undeveloped, has to do with the power buried within the Roles and Permissions settings. Most web platforms offer two or three roles, some variant on User, Member, Administrator, then call it a day. The exception is Facebook, of course, with its brilliant interface and variations on Friend categories. Facebook turns its Users into Administrators and its Visitors into Contributors, and that's a redivision of duties that both Marx and Wall Street would ...

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