Abstract: A communication system comprising: a transmitter having means for transmitting an object stream comprising a plurality of objects; each of said objects having an identifier or ID which is unique in said communication system and which is independent of the time of transmission of said object; a plurality of receivers each including means for receiving said object stream, and each including means for selecting any of said objects from said object stream; means for providing a receiver profile at each of said receivers independently from said object stream transmission, said transmitter having no means for addressing any of said objects to any of said receivers; each of said receiver profiles comprising a list of objects of interest for one of said receivers; said means for selecting being responsive to said profile and said unique ID for selecting objects from said object stream corresponding to objects of interest and for storing said objects of interest; characterized in that said system includes sequencer me