Various embodiments relate generally to dating/friendship finder application systems. An online and in-person gathering system which includes a method for tracking affinity and aversion between users by requesting individual user’s feedback on other users based on post-gathering interactions amongst them. System tracks and discloses affinity and aversion feedback towards another user to facilitate decision making with regards to attending or not attending a gathering. Gathering invites are visible or invisible to users based on the affinity and aversion responses from hosts (users planning a gathering) and prospective participant-users. Through empirical affinity and aversion feedback, system identifies proclivity towards personality types defined by the hashtag descriptors provided by users, as well as provide relevant ranking for the presentation of other users, gatherings and 3rd party content objects.
