Pringles aren’t chips?!
“But he said that Pringles did not meet these criteria - being made from potato flour, corn flour, wheat starch and rice flour together with fat and emulsifier, salt and seasoning, with a potato content of about 42%.”
http://news.bbc.co.uk/1/hi/business/7490346.stm
I am shocked, shocked! Well, not that shocked.