example optical or magnetic disks and other persistent memory volatile media include dynamic random access memory dram and or static random access memory sram transmission media include cables wires and fibers including the wires that comprise a system bus coupled to processor common forms of machine readable media include for example a floppy disk a flexible disk a hard disk a magnetic tape any other magnetic medium a cd rom a dvd any other optical medium fig1 a depicts an exemplary networked environment 100 in which systems and methods consistent with exemplary embodiments may be implemented as illustrated networked environment 100 may include a content server 110 a receiver 120 and a network 130 the exemplary simplified number of content servers 110 receivers 120 and networks 130 illustrated in fig1 a can be modified as appropriate in a particular implementation in practice there may be additional content servers 110 receivers 120 and or networks 130 in certain embodiments a receiver 120 may include any suitable form of multimedia playback device including without limitation a cable or satellite television set top box a dvd player a digital video recorder dvr or a digital audio video stream receiver decoder and player a receiver 120.