IT'S ME, MARIO! Last time our favorite plumber with the red hat visited the classroom, it was 1995 and he was teaching typing. Unfortunately, Mario's educational titles were considered some of the worst in the series. Thirteen years later, he may be making a comeback. A series of Tweets from a Nintendo software engineer suggests the iconic gaming company may be developing a "tablet with educational games for children with Nintendo characters." Nintendo reps declined to comment.