For example, how does StackOverflow decide other questions are similar?
When I typed in the question above and then tabbed to this memo control I saw a list of existing questions which might be the same as the one I am asking.
What technique is used to find similar questions?
I got an email from team@stackoverflow.com on Mar 20 that mentions how it works:
The last sentence refers to the search bar, which I’ve found is less useful when I’m trying to find a specific question I’ve already seen.