If you read my post again, you'll see I said "lots of things like this" haven't been tested in IE9. It wasn't a personal attack on the author. Just a remark tha

If you read my post again, you'll see I said "lots of things like this" haven't been tested in IE9. It wasn't a personal attack on the author. Just a remark that it's unfortunate that despite the canvas support in IE9, a large amount of these sorts of things that get linked from HN don't work in the browser. The reasons behind that I'm sure are numerous and valid for a lot of people, but they don't make it any less annoying for me as a regular IE9 user.