{HEAD ~ Different users activity descriptions} can be presented to {TAIL ~ a user} even while the user may be disconnected from communication networks 
presented to
{ HEAD ~ Different users activity descriptions } can be presented to { TAIL ~ a user } even while the user may be disconnected from communication networks
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH