App to use to Buycott Koch brother products. It is called Buycott App.
"In her keynote speech at last year’s annual Netroots Nation gathering, Darcy Burner pitched a seemingly simple idea to the thousands of bloggers and web developers in the audience. The former Microsoft programmer and congressional candidate proposed a smartphone app allowing shoppers to swipe barcodes to check whether conservative billionaire industrialists Charles and David Koch were behind a product on the shelves.
Burner figured the average supermarket shopper had no idea that buying Brawny paper towels, Angel Soft toilet paper or Dixie cups meant contributing cash to Koch Industries through its subsidiary Georgia-Pacific."