Quote:
Some Web sites, such as Jalopnik.com, have published tutorials titled "How to Hack an Electronic Road Sign" as a way to alert security holes to traffic-safety officials. Jalopnik urges its readership of 2.6 million a month not to put its lesson to practice.
"Hacking generally is about showing where there are holes in security systems, and I think this is a great example of that," the site's editor-in-chief, Ray Wert, told The Associated Press by telephone Wednesday. "I'm sure there are all sorts of ways to use that information in a way that's inappropriate, but we're trying to make clear this is an issue that needs to be confronted by traffic safety and transportation officials."
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source (http://news.yahoo.com/s/ap/20090204/ap_on_re_us/highway_signs_zombies - broken link)
DO NOT under any circumstances run around hacking into electronic
road signs using the information contained in this step-by-step guide of how to transmit hilarious messages to passing motorists.
Novelties: How To Hack An Electronic Road Sign