I started a location-based Q&A social app. A Twitter-like quora app as per location. The idea was well received early adoption, and user retention couldn't be a

I started a location-based Q&A social app. A Twitter-like quora app as per location. The idea was well received early adoption, and user retention couldn't be achieved. Learnings were that (1) there was no niche it was a very horizontal platform and people did not know what to best use it for (2) Lack of trust between strangers to answer queries