Most of the previous coverage made it sound like Aaron was instrumental in the design of RSS, for example. That wasn't really the case, and the article is the first I've seen to get that right. On the other hand, he did play a true role in the creation of Markdown, and the article gives him fair credit for that.
And I believe this is the most detailed account to date of Aaron's time at YC, which I found to be really, really interesting. If you read only one section of the piece, that's the one I'd recommend.
Stop SOPA?
A good hacker died who's death could have been avoided. Some people feel the need to raise awareness about it. I personally don't mind, as these articles are far less annoying to me than the latest industry's farts and could actually lead to some change.