programming since 1982, BBS since 1987, internet since 1992, web since 1994, cloud since 2008, AI since 2021
Pet and VIC20 (1982) - C64 (1985) - MS-DOS (1992) - OS/2 (1993) - Linux (1995) - Windows (1998) - MacOS (1999) - Windows/WSL2 (2020) - macOS+visionOS (2024)