He has extensive experience with the Apple II platform, starting with the Apple II Plus back in 1980 through the Apple IIGS in the late 1980s. He wrote articles about the Apple II for a variety of commercial publications before starting on the history of that computer in the early 1990s. He continues to maintain a keen interest in the Apple II. Since it first appeared on the Internet in the mid 1990s, his Apple II History web site has been the standard reference for the story of the Apple II, covering it from its beginnings to its continued life among enthusiasts today.