[squarefoot]

Just guessing of course; I'm sure the amount of work involved would be significant, but I also wouldn't underestimate the power of teamwork on the Internet, especially when something so important (I''d dare to say vital these days) as a content blocker is involved. As for the implicit "then why don't you do the work yourself?" - Heh, I wish I had both the skills and capacity to focus on a project of such complexity.