The old slashdot.org The old digg.com Web Rings were amazing, and I think the idea still has merit. Why did everyone stop using them? My ealiest memories were pre-net, on Prodigy and AOL, long before they were 'net connected and could email each other. I learned what connectivity was at 2400 baud. I didn't discover BBS's until much later, around 1993-4,and was at 14.4k at that point. I never really understood fidonet…
They're just underground. Now you have to read a project's docs to see who they link to/thank/reference.