I wrote about it in my article yesterday, but this video (watch first 15min) gives a more in-depth explanation of the same. The final 15min is some good Q&A, but that might be the "optional" watching/listening.
Follow and contact me via Twitter http://www.Twitter.com/DRodriguezFX
Sign up for trade updates via my e-mail distribution list. 3-5 e-mails a week, no-spam promise.