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