2. The method of claim 1 further comprising: monitoring actions taken by specific ones of the multiple users directed towards files of the shared set and towards received notifications of events of the file sharing and collaboration environment; and dynamically updating user profile information, based on applying machine learning techniques to the monitored actions.
3. The method of claim 2 wherein dynamically updating user profile information further comprises: dynamically updating user profile information to increase a quantification of a first user's interest level in a specific file, in a specific type of file, in specific file content or in a specific event, based on a second user taking an action indicative of interest in the specific file, specific type of file, specific file content or specific event, wherein a quantification of similarity of the first user to the second user exceeds a threshold value.