In one embodiment, social network analysis is performed on the communication content after hashing, and visualization of {TAIL ~ the social network analysis} includes thread graphs and {HEAD ~ circular graphs} 
In one embodiment , social network analysis is performed on the communication content after hashing , and visualization of { TAIL ~ the social network analysis } includes thread graphs and { HEAD ~ circular graphs }
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 TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD