"I had to admit that I had no clue where I first saw it referenced, due to the way I consume links I find on the net. So, I thought I'd write a quick blog post to explain myself, and then pitch a product idea that could make my life (and maybe yours) much easier." I vary in the specifics but the product he outlines would be a great tool.

The most important (for dynamic languages generally), I think, is the one about scaling team sizes. His earlier "Lightweight versus heavyweight" post (two back) is worth a look too.