Public game involves hidden blinking LED signs

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Quick, call Homeland Security. My IFTF colleague Jane McGonigal reports that the Valentine's Day FreakAndie ("free candy") public puzzle game in San Francisco involves infernal machines "heart-shaped blinking LED displays embedded in public." Jane isn't the FreakAndie puppet master, but she has the playing details on her blog.
Link

Previously on BB:

• Cartoon Network chief quits over marketing stunt Link

• State of Massachusetts insists on calling ATHF ads "hoax devices" Link
• Video of Mooninite menaces Link
• Stickers: This is engineering, not bomb-making Link
• LED ad campaign ignites terrorism scare in Boston Link