When the states ratified the Bill of Rights in the 18th century, the Fourth Amendment seemed straightforward. It requires that government respect the right of citizens to be "secure in their persons, houses, papers, and effects, against unreasonable searches and seizures." Of course, "papers and effects" are now digital and thus more vulnerable to government spying. But the biggest threat may be our own weakening resolve to preserve our privacy.
"The title says it all"