They were exchanging it using compact cassettes, floppy disks, FIDOnet and later the Internet, so that these artists joined the worldwide demoscene culture.
[2] The 2017 festival featured an extra event called ChaosConf which was aimed at developers and admins of enterprise IT systems.
Many of the compos and exhibits are related to retro computing (ASCII art, pixel art, tracker music, chiptune etc), but recent festivals also tend to include conferences and meetings for people from the modern IT industry who concentrate on technologies such as augmented/virtual reality, blockchain, robotics and more.
The 2018 festival[4] was held at a co-working location called Boiling Point and also featured "enterprise" and "telecom" sections.
The festival's crew also had arranged an "embassy" at a similar earlier gathering called Geek Picnic.