Ladies and gentlemen, I have found the people who created Pinterest. Ben Silbermann and Evan Sharp are the two masterminds behind this amazing online pinboard! :)
Pinterest's Cofounder: We're Still Trying To Figure Out Copyright Laws
Also from Business Insider, article on how Pinterest co-founder Ben Silbermann has apparently reached out to the lawyer/photographer who noisily removed her account out of copyright fears. Silbermann admits to not really knowing what the answer is.