But privacy is relevant here. Easy example: a person whispering,their private conversation no loses it's privacy due to lip movements being read. Two people enter a room and exchange an item for cash,with radar their transaction loses privacy.
But privacy is relevant here. Easy example: a person whispering,their private conversation no loses it's privacy due to lip movements being read. Two people enter a room and exchange an item for cash,with radar their transaction loses privacy.