A computer implemented matching service matches users to {HEAD ~ other users}, and to {TAIL ~ user communities}, based at least in part on a computer analysis of event data reflective of user behaviors 
A computer implemented matching service matches users to { HEAD ~ other users } , and to { TAIL ~ user communities } , based at least in part on a computer analysis of event data reflective of user behaviors
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH