The data can be recorded in {HEAD ~ a program} on a computer that allows {TAIL ~ viewers} to interact with media while wearing the headset 
The data can be recorded in { HEAD ~ a program } on a computer that allows { TAIL ~ viewers } to interact with media while wearing the headset
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH