Up until this year, it's been rather rare for Valve to give its adoring public any kind of decent look at how they do the things they do. This latest, LONG blog post goes into some pretty interesting detail about the process Valve goes through to create their stuff, and why it took so long for them to produce this eighth "Meet the blank" promo.
The video included with this post is only one of several stuck in the article, so make sure you click through to see all of them here.