Method and system for visualization and operation of multiple content filters

A computer readable storage medium containing instructions which when executed implement a system for operation and visualization of multiple content filters, comprising:

• instructions for a plurality of user interfaces UI1, UI2, . . . , UIn, used for setting parameters of corresponding content filters CF1, CF2, . . . , CFn that filter content from a catalogue of content, each content filter CFk having a lock status of being in a locked or an unlocked state, and each user interface UIk indicating content that is filtered from the catalogue by the content filters other than CFk that are locked;
• and
• instructions for a lock processor for setting and clearing the lock statuses of the content filters by means of lock controls.