19. The system of claim 17 , wherein providing the challenges to the user is based on features being used by a group of users in a social networking site.
19. The system of claim 17 , wherein providing the challenges to the user is based on features being used by a group of users in a social networking site. 20. The system of claim 19 , further comprising updating the score when the accumulated user score does not reflect a user's total score upon logging into the social networking site.