1. A computerized method comprising: linking, a set-top-box without user input, a first user profile associated with a first user of a multi-user broadcasting system with a second user profile associated with a second user of the multi-user broadcasting system, wherein the linking is based on a program interest that is common to the first and second users, and wherein each user profile allows its associated user to customize a viewing experience received via the multi-user broadcasting system and the program interest is selected from the group consisting of type of program, genre of program, and content of program, wherein the linking includes determining the profiles that have a common interest which is of interest to corresponding the first and second users by using a filter; detecting a user common interest content update to the first user profile, wherein the user common interest content update is associated with a content item having the program interest that is common to the first and second users; and notifying the second user of the user common interest content update without updating the second user profile with the user common interest content update; receiving an indication from the second user to update the second user profile with the user common interest content update; and automatically updating the second user profile with the user common interest content update.