It made it easy to create latex documents without having to type latex code. It was especially handy for creating equations and tables. I don't know that it's m

It made it easy to create latex documents without having to type latex code. It was especially handy for creating equations and tables. I don't know that it's missing anything today, it just doesn't provide a lot of value over something like LyX (that is open source and doesn't cost anything) or even a good markdown editor.