Spelling matters. <davies j-curve> produces a number of hits, here is the top one:
The core point made by Davies with his J-Curve is that people do not revolt when they are oppressed beyond belief; they revolt when they see the light at the end of the tunnel and then are pushed back. The Internet and cell phones have shone a light on the world like no other. Between RapidSMS, flash mobs, Twitter real-time intelligence, and all else, the revolution has begun.