| Clue | Source | Date |
|---|---|---|
| Rival of Reddit | ||
| Website similar to Yahoo! Answers | USA Today | 13 Aug 2023 |
| Crowdsourced Q&A site | New York Times | 15 Oct 2021 |
| Site with an 'Add Question' button | USA Today | 28 Mar 2021 |
| Website for crowdsourcing answers | ||
| Website for crowdsourcing answers | New York Times | 21 Dec 2019 |
| Reader-edited question-and-answer site |