I found this document/research paper on wikipedia user retention; FWIW
http://www-users.cs.umn.edu/~halfak/publications/The_Rise_and_Decline/ sincerely, Kim Bruning _______________________________________________ Wikimedia-l mailing list, guidelines at: https://meta.wikimedia.org/wiki/Mailing_lists/Guidelines Wikimedia-l@lists.wikimedia.org Unsubscribe: https://lists.wikimedia.org/mailman/listinfo/wikimedia-l, <mailto:wikimedia-l-requ...@lists.wikimedia.org?subject=unsubscribe>