Fake reviews, bogus conversations with unsuspecting users and exposed private messages - are just some of the goings on at dating app Down, according to a whistleblower. And Down is one of scores of dating apps scrutinised as part of an investigation by The Age that found increasing concerns from consumers and experts about the industry’s conduct. Today, investigative reporter Clay Lucas on dating apps’ last-ditch attempt at survival, as a growing number of users walk away from the apps.