You can get it with:
tla register-archive http://neugierig.org/software/arch/martine@danga.com--2004-kitten
tla get martine@danga.com--2004-kitten/fdata--dev--1
The raw friends data is now available at http://neugierig.org/software/fdata . It's nearly 3mb.
These tools are now split up, so I can create subsets of the graph (for example, just me and my friends) and run degree, etc. computations over those.
My new theory is that