Waste of time sub-sites that should instead be merged into Stack Overflow as different tags.
Nowhere is this waste more visible than at: https://cs50.stackexchange.com/. A website just for some specific course that is completely covered by other sites of the network? What a humongous waste!!!
- OpenStreetMaps | 112
- Ridiculous cases of political correctness censorship | 39, 326, 3
- Tangent space | 136, 148, 1