I started using vi in 1989. I still use vi, almost every day. I've had to learn my way around I don't know how many text editors, IDEs and so forth over time,

I started using vi in 1989. I still use vi, almost every day. I've had to learn my way around I don't know how many text editors, IDEs and so forth over time, often to throw that away when the new thing comes out. Not so with vi - most of what I was doing in 1989 in vi I am still doing in vi.