There's no rhyme or reason to these things. They show up on different social media platforms, start in different parts of the world, but don’t always "go viral" in regions where they started. There are cultural aspects to what makes them take off but also universal ones: They "excite children's and teens’ imaginations, increase careless media outlets' appetite and opportunities for bigger … [Read more...] about About ‘Momo’ & dealing with viral media scares