This video made me think almost immediately about the Waze community, primarily the map editors, but also applies in some ways to drivers and how Waze "helps us help each other."
RSA Animate - Drive: The surprising truth about what motivates us
This lively RSA Animate, adapted from Dan Pink's talk at the RSA, illustrates the hidden truths behind what really motivates us at home and in the workplace. (Title above is a link, in case the embedded video below doesn't load.)
*Thanks to Perlin for the heads-up on this video.