Conflict follows device that drives away teen loiterers

CNN - A wall-mounted gadget designed to drive away loiterers
with a shrill, piercing noise audible only to teens and
young adults is infuriating civil liberties groups and
tormenting young people after being introduced into the
United States.
Read the full story at
http://www.cnn.com/2008/TECH/04/23/teen.be.gone.ap/index.htm
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So it's against someone's civil liberties if you don't allow
them to trespass on your property?