Retrospring is now in read-only mode until September 1st when the site will fully shut down! Read more
I think its also worth mentioning that SimilarWorlds, although not specifically a Q/A site, is pretty Q/A friendly.
Some social media sites like Threads can be good places to find random questions that you could answer, and you could notice it from people you don't follow in the 'for you' tab.
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