The killing of black Florida teenager Trayvon Martin has sparked a weird kind of racial spasm that's resulted in terrible articles, Spike Lee scaring old people, and made Facebook almost unvisitable for the past week. Now Metro Detroit's getting in on the bile after someone in Dearborn — the suburb of Detroit home to…

We told you not to hack electronic road signs. Now you also shouldn't hack electronic crosswalk indicators to make them send hilarious images of a single-fingered salute to pedestrians using a simple hack suggested by the Spokane Streets Department.

Get to work on time? Not if you just sit there reading hacked road signs. Pay attention to the road! [CollegeHumor]

A Pennsylvania DOT sign warned drivers of potential hazards on Tuesday. Clever hackers or unusually informative highway crews? You be the judge. [Centre Daily]

Pranksters in Wisconsin once again ignored our continuous and fervent requests to not hack road signs. This time there's no confusing political message, just the lyrical poetry of Detroit garage disco rock stars Electric Six.

Someone in the Miami, Florida area decided to use our instructions for hacking road signs to send the message "No Latinos, No Tacos" instead of warning people about zombies.

We've told you over and over again not to hack electronic road signs for comedic purposes, but some Australians have anyway. Apparently they don't find Prime Minister Kevin Rudd's policies too agreeable, leaving the message "Kevin Rudd Sucks."

We didn't tell you specifically not to hack traffic signs to say "New York Is Dying." Are you going to make us spell out each and every thing you shouldn't be hacking signs to say?

We specifically asked you not to write "the British are coming" on road signs, but a few misfits in Lubbock, Texas didn't listen. What, were "Jalopnik Rules" and "Zombies Droolz" too meme-ish for you?