If surveillance technology can help save the lives of American GI Joes and Janes, then that is a good thing. Privacy concerns seep in when that same technology moves from military-only use to use in the public domain for the “detection of safety and threats.” You know a wooden match is small, which seems better illustrated when seen in an adult’s hand, but most folks don’t see the small size and think “ultimate sound probe” with a “sharp memory.”