I was there in the mid- to late nineties writing computer books and doing the typesetting myself on QuarkXPress (in the prehistoric era before InDesign existed), back in an era where you'd enter a bookshop and 95%+ of the book and magazines were typeset on QuarkXPress on a Mac.

https://en.wikipedia.org/wiki/QuarkXPress

And we'd all have Zip drives and even internal Zip drives reader/writer in our G3. Can be seen on the picture here:

https://en.wikipedia.org/wiki/Power_Macintosh_G3

They were big indeed and I'd say huge in the publishing industry. Then the CD writers and then DVD writers began to rule to earth.