{HEAD ~ The present system} monitors distribution networks, logs pertinent network and distributor information, generates network statistics, gathers evidence of content distribution, and notifies interested parties of {TAIL ~ the availability} of content on Wide Area Networks 
{ HEAD ~ The present system } monitors distribution networks , logs pertinent network and distributor information , generates network statistics , gathers evidence of content distribution , and notifies interested parties of { TAIL ~ the availability } of content on Wide Area Networks
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH