Sorry, I laughed... :)
> I’ve judged prizes both pre-2020, when we were sent stacks of books, and post-2020, when everything had switched to zip drives and online databases.
Considered medium-to-high-capacity at the time of its release, Zip disks were originally launched with capacities of 100 megabytes (MB), then 250 MB, and finally 750 MB. - https://en.wikipedia.org/wiki/Zip_drive
Pretty sure they mean zip files, not drives.
I'd guess she probably means USB flash storage devices.
I remember drooling over zip disks when I was a kid. By the time I had enough of my own money to buy one they were clearly not the best choice anymore but I still did for the same reason around the same time I bought a stack of old sparcstations off ebay.