means for dynamically embedding information into {HEAD ~ the purchased software} after {TAIL ~ the purchased software} has been requested by the user computer; and 
means for dynamically embedding information into { HEAD ~ the purchased software } after { TAIL ~ the purchased software } has been requested by the user computer ; and
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH