janemcgonigal.files.wordpress.com/2010/12/engagement_economy_sm-1.pdf

"Sh*t Kids Say" Isn't A Joke | Co.Create: Creativity \ Culture \ Commerce

thesocialskinny.com/100-social-media-statistics-for-2012/

slideshare.net/aslabinck/the-power-of-brand-advocates

Supercut.org — The Wire: Characters say the epigraphs from all five seasons

Storify Brings Drag-And-Drop Social Curation To The iPad

How Social Media Drives New Business: Six Case Studies | TechCrunch

Food Network Executive to Run YouTube Food Channel - NYTimes.com

Google Maps And YouTube Mashup Catalogs Nirvana Concert Footage @PSFK

YouTube Cover Song Face-Off

How Google makes money off YouTube mobile - Sep. 16, 2011