"We are evolving every year, every decade. That's a fact, whether it is to the intensity of the sun, whether it is to, as a chiropractor, walking on cement versus anything else, whether it is running shoes or high heels, of course we are evolving to our environment. But that's not relevant and that is why I refused to answer the question. The interview was about our science and tech strategy, which is strong."
Apparently, Wells noted this first.