Best ResourceKevin Brookhouser's The 20Time Project (image to right). A must-have if you want to bring the 20% project to your classroom.
G+ Community: 20 Time Community
G+ Community: 20% Time in Education
Edmodo Community: Search for 20% Project
Educators to Follow:Kevin Brookhouser's I teach. I think: Contains several write-ups about integration of the 20 Time project, many student samples, and great reflections about 20 time in general. @brookhouser
Troy Cockrum's Cogitations of Mr. Cockrum: Troy's website has great reflections about the project and his own cognitive thinking about teaching in general. @tcockrum
Kate Petty's The Tech Classroom: Personal examples of how Kate integrated the project in her classroom. @techclassroom
A.J. Juliani's Education Is My Life: Very convincing arguments for why teachers should integrate 20 Time in the classroom. @ajjuliani
Flipped Learning Network Podcast with Troy Cockrum: Flipped Learning #37 20% Time in Flipclass with Kevin Brookhouser and Kate Petty
Daniel Stucke: 20 Time for 8th grade
UK Guardian: Can You Apply Google's 20% Time in the Classroom?
eWeek: Google's 20 Percent Time Project Pays Dividends for the Rest of Us
Official Google Blog: Google's 20% Time in Action