There are 2 areas I would suggest that could be improved:
The first is the search engine. This has limited flexibility / functionality compared to other internet searches making it often difficult to find the information required.
There are the limited search modifiers that allow the +, - and " " to be used, but there are no other logic options like the AND functionality. Using the + will act as a logical OR and the - acts as a NOT.
The second area is a follow-up to Adi's post, item #3 above. "Everything is treated as a question". It would be good to define different post types e.g. questions, whitepapers, documents, General information / statements, announcements etc.
Maybe use different icons for the different types.
An improved search would also allow users to search on the different post types. e.g to find new questions, new announcements etc.
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