HELSINKI Finland is consistently ranked as Europe's most media literate country and the skills needed to spot online hoaxes are on the school curriculum, amidst a boom of mis- and disinformation campaigns. "Who knew what a troll was before?" literature and Finnish language teacher Saara Varmola asked her 14 to 15 year-old students who all promptly raised their hands during a class at a Helsinki school in November. "Who produced the material that you watch, what do you produce yourself and