Good Writing, Free

What are some of your absolute favourite online essays, articles and other pieces of non-fiction writing? One of the Best AskMes Ever has the best essays available on the Internet, including such classics as:

* Politics and the English Language (Orwell)
* In the Beginning Was the Command Line (Stephenson)
* A Person Paper on Purity in Language (Hofstadter)
* Notes on Camp (Sontag)

and many others.