That's one of the best examples of an explanatory blog that I've ever seen.
I wish that this would become the standard of which information was shared - if it's worth sharing, it's worth making it easy to understand.
Interactive thingywotsits may slow down individuals making posts, but there are a lot of individuals out there.
Are there some frameworks that make interactive simulations like that easier to make, or do you just do it the hard way?