As a web dev doing 3D stuff, I'm seriously impressed that the 6th place entry in the demo comp (I Want To See Small Worlds[1]) was created with three.js. They're doing great things with it.
* Some would argue that that should be the AMIGAAAAA compo. I don't disagree, but note that the AMIGAAAAAA compo is usually a little less accessible to the general public.
Disk throwing has been a standard demo/copy party event since the dinosaurs roamed the earth (at least in Finland). I remember there being a disk throwing compo at Assembly '92.
What is interesting is that it's possible to throw a disk (69m) further than a CD (68m). Perhaps the hole in the CD makes a difference, or the disks are smaller overall?
I suspect it's more about the weight being concentrated (liek how you can throw a wadded up ball of paper farther than you can throw an unfolded sheet). I also think floppies weigh about 20% more.
[1] http://archive.assembly.org/2015/demo/i-want-to-see-small-wo...