Originally published on Wed October 24, 2012 12:41 pm
How do you reach an audience of more than 200,000 people a day in an important swing state without buying an expensive TV ad?
If you're Sid Overton, you build a blimp and fly it alongside one of Colorado's busiest freeways.
"It says, 'Romney For President. He Creates Jobs,' " Overton told KUNC.
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