A Duke University archive of more than 31,000 billboard ads is led by beer, whiskey, cigarettes and liquor. Coca-Cola and its assorted soft drinks is the only other company to crack the top five.

A Duke University archive of more than 31,000 billboard ads is led by beer, whiskey, cigarettes and liquor. Coca-Cola and its assorted soft drinks is the only other company to crack the top five ...

It’s one of 21 billboards that will be erected around Michigan for a month, concentrated in and around Grand Rapids, Flint, Lansing and Detroit. A total of 300 billboards are being put up in 40 ...