No user of free and open source software (FOSS) can escape having an opinion about Microsoft. Microsoft products and technologies represent what FOSS users have left behind. Some consider it increasingly irrelevant, and others a shadowy figure comparable to Satan in the Middle Ages or the Soviet Union during the Cold War. Yet, no matter how members of the FOSS community regard Microsoft, all of us have well-defined opinions on the subject that we can express eloquently at short notice.