The apparatus 2 wherein {HEAD ~ the server computing device} is configured to use {TAIL ~ RTSP} and RTP protocols to transmit the virtual file that plays the second advertisement portion in response to a request to skip the second advertising portion of the digital file 
is configured to use
The apparatus 2 wherein { HEAD ~ the server computing device } is configured to use { TAIL ~ RTSP } and RTP protocols to transmit the virtual file that plays the second advertisement portion in response to a request to skip the second advertising portion of the digital file
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH