Under broadcast control, local computers , combine {HEAD ~ user information} selectively into {TAIL ~ prior art communications} to exhibit personalized mass media programming at video monitors , speakers , printers , etc 
selectively into
Under broadcast control , local computers , combine { HEAD ~ user information } selectively into { TAIL ~ prior art communications } to exhibit personalized mass media programming at video monitors , speakers , printers , etc
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH