I actually built a tiny computer as a junior high school project.

Shortly after Kapor left VisiCorp Sachs and he designed and developed an integrated spreadMitch Kaporet and graphing program. Lotus' first product was presentation software for the Apple II known as Lotus Executive Briefing System. UUNET Technologies
Mitch Kapor was a founding investor in UUNET Technologies one of the earliest commercial Internet service providers.

Mitchell David Kapor (born 1 November 1950) is the founder of Lotus Development Corporation and the designer of Lotus 1-2-3. He has been involved in a number of other Internet-oriented organizations. He is also a co-founder of the Electronic Frontier Foundation and was the first chair of the Mozilla Foundation.