I never knew there was an expansion pack for floppies.

At my first job, we used Model I's for testing hardware. Since we were live-plugging I/O boards into the bus to test quickly, we'd occasionally kill one (they were surprisingly robust, though). No matter: there was a shelf full of them because the owner bought a pallet at a garage sale.

If I had known there was a floppy for it, I'd have asked for one. Our BASIC test code had to be typed back in if there was a power failure, or we had to get a "new" one off the shelf.