"In a recent Iwata Asks interview about the Wii U Miiverse social network, director Yoshiomi Kurisu and his team discuss how difficult it was to create auto-detection of penis drawings." - Tudor Bosman

"Kurisu-san suggested we study different types of penises in order to create figure out the relative shape and size people would draw. We spent a week doing that before we realized that we should have been looking at drawings of penises rather than real-life pictures. (laughs) We were very embarrassed about that." - Tudor Bosman

There's a NSFW (but funny) image if you click through. - Tudor Bosman