June 11, 2017, adding an update in the form of author, journalist and game designer Andrea Angiolino's response to sensationalist tabloid "coverage" in Italy of a new arrest in Russia – see the first sidebar below. My first post on the "Blue Whale challenge" was published March 13 here. Much has happened since then in a number of countries, so an update is in order, but I hope you agree that the … [Read more...] about Core concern: ‘Blue Whale’ & the social norms research