It's a bit off-topic in this blog but Rachel sent a very interesting article about Facebook to Hi-ReS! list the other day. It gives some logic to Facebook and, specially, to Zuckerberg robotic words/behaviour.

Read it on your lunch time.

http://www.guardian.co.uk/technology/2008/jan/ 14/facebook

In other news, yesterday I finally managed to understand how displacementMapFilter really works and how to use it properly, which means that in some days I will post some explanation of how you can do this, and, with a bit of luck, also this. Which, by extension, means that my refraction example is not right :(