MacDoor started life as The Macintosh Observer column published in AppleJAC, the official newsletter of the Jefferson City/Columbia, Missouri, Macintosh User's Group. Later, it was renamed The Macintosh User and later, MacDoor. Tim Yarbrough of Atlanta is the writer and editor. He may be reached by email at zxmac8384@yahoo.com. While the column is no longer written regularly, this site contains archives of past articles and includes occasional posts and links to interesting Mac stuff.
Duh. Most of us already knew this. Read the article.