here is the keynote file from the RMAUG presentation.
This is a list of sites that offer some very useful expressions.
5 expressions that will change your life
My 5 Favorite Expressions
Dan Ebberts’ AE Expressions
not sure where this one came from but I find is useful.
3D layer invisible while facing backwards to camera (use on Opacity):
if (toCompVec([0, 0, 1]) > 0 ) value else 0
I came across this tutorial and thought I would add it to this post.
Helpful Adobe expression links
Online resources for expression examples
Add, edit, and remove expressions
Hope you find these sites useful, hit me up on Twitter with any questions, @ITVteacher