Reference · Platform
Stage
Function
-
IMDb
2Canonical film/TV metadata within Amazon—indispensable lookups with ads, Prime nudges, and data leverage across commerce and streaming.
-
Quora
3Once a home for thoughtful expert answers; now machine-generated answers, ads, and an AI pivot crowd the human contributions that built it.
-
Stack Overflow
4Once the default Q&A layer for programmers; the community-built corpus now mostly feeds AI tools, and new questions have all but stopped.
-
Wikipedia
1A nonprofit reader mission with volunteer editors; ads are off by default and the core reading experience still prioritizes users over rent extraction.