‘Madmen’ meet the guy holding the sign at the highway off-ramp

You’ve probably seen the people at the bottom of highway off-ramps, holding signs asking for help. Maybe they’re legit; maybe they’re not.

Alex Bogusky, an advertising man, tried to ignore them as much as he could. Then he started buying the signs, researched the advertising impact of them, and made better ones. Or so he thought.

Related: How street signs turn drivers into donors) (Minnesota Public Radio News).