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