Paul Ford: The Great Works of Software
To enumerate great works of software that are deeply influential.
WebAIM: History of the browser user-agent string
Short, irreverent, accurate, and funny.
OSNews: The 25 Year Old BSD Bug
"Despite his initial reaction, he decided to dig deeper into this case, and he uncovered a bug that had been sitting in the code of all BSDs (including Mac OS X), including a lot of old releases. He confirmed the bug was already in 4.2BSD, released in Aug