The Koch brothers are two of the richest men on the planet. They plan to plop $1 billion–give or take a few million–into the 2016 Presidential race. Their original candidate was Scott Walker but he seems to be shrinking by the day.

You might be interested in knowing which products benefit their bottom line. Most of the consumer products are either paper towels or toilet paper.

Here is a list. Here is another.

Be a savvy shopper.

And if you care about public education, avoid Walmart.