A few things: Everything not being 4:3 screens. I found it better for programming than everything being cinematic screens. Back when monitor manufacturers were racing to make better / higher resolution monitors, instead of just leaving it at 1080p / 4k / whatever the current standard good enough for movies is. The GMail interface before it started auto-converting the textarea to HTML when edited externally. Console g…
It didn't work. To this day, if you begin a plain text email message with the word "From", you'll confuse mail programs because there wasn't a proper encoding of the body of the message separate from the headers.