Till och med att delta i lagliga aktiviteter kan hämmas genom övervakning.
"Surveillance can create chilling effects on people’s conduct by chilling free speech, free association, and other First Amendment rights essential for democracy. Even surveillance of legal activities can inhibit people from engaging in them. It might be that particular people may not be chilled by surveillance – indeed, probably most people will not be except those engaging in particularly unpopular speech or associating with disfavored groups."