NPR reminds us that GPS units, which were a surprisingly big item for Christmas giving, also present an attractive target to smash-and-grabbers. John Roman, a criminal justice researcher with the Urban Institute, says navigation units are the hot new alternative to car stereos for lowlifes looking for quick cash:
Coming soon, maybe: GPS units that share location info with designated parties, allowing the unlucky or careless to track a stolen unit. Or a variation on those New York street-parker signs that says "No GPS!"