@molly0xfff
- Usenet in the 90ies (esp. comp.lang.java). People with the same interests and helping each other
- Altavista and then early Google
- Websites with reams of content written/curated by a single person (some still exist and still new ones get created e.g. https://otokano.com/colors-by-pigment/)
- StackOverflow (still quite good)