What is "barq's"

Barq's is an American soft drink. Its brand of root beer is notable for having caffeine.Caffeine Database | Caffeine and Ingredients in Barqs Rootbeer, OverCaffeinated.org's Report on the Ingredients in Barq's Rootbeer Barq's, created by Edward Barq and bottled since the turn of the 20th century, is currently owned and bottled by the Coca-Cola Company. It was known as Barq's Famous Olde Tyme Root Beer until 2012.