Show HN: Object Playground - The definitive guide to object-oriented JavaScript

I'm pretty excited about this site. I love the code behind it--it evaluates arbitrary JavaScript, traverses the object-graph in memory, and then uses an Emscripten'd GraphViz to render it in SVG. I'm also proud of the screencast that goes along with it. And most of all I'm excited because this is the beginning of my attempt to do inbound marketing for my Let's Code JavaScript screencast [1].

I'm happy to answer any questions people might have about the site or the marketing sausage-making. For some background on the marketing piece, check out my comment on the recent SaaS thread here on HN [2].

[1] Let's Code: Test-Driven JavaScript is a screencast series on rigorous, professional JavaScript development. http://www.letscodejavascript.com

[2] My comment on the HN thread is here: https://news.ycombinator.com/item?id=6038226