The method may further include displaying, on {TAIL ~ a display screen}, {HEAD ~ the single message document} according to a conversational view based upon a perspective of the response level of a user within the mail thread 
on
The method may further include displaying , on { TAIL ~ a display screen } , { HEAD ~ the single message document } according to a conversational view based upon a perspective of the response level of a user within the mail thread
OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD 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