The open-source world is wonderful.
- I'm was able to move my platform wiki to a CD for handing out to others, back in 2005.
- In 1989 I published a 190 page trade paper back book that had an e-book companion, on 3.5 inch or 5 and a quarter inch floppy disks. That book was a swim workout text book called Tide Teamwork. I think it was the first electronic how to sports book in the world.