It was clear to Nyborg that apps such as Tinder were failing their users: designed to keep them coming back, rather than to find a partner and never return. In that moment, it wasn't fear she felt but empathy. Through letters like this one she had learnt a lot about a particular group of Tinder's users: those who were "incredibly lonely" ... When she quit, several investors reached out to Nyborg, asking if she planned to start another dating app. Instead Nyborg took a different turn. She began researching loneliness. The new app she came up with looked very different from Tinder. from The loneliness cure [Financial Times; ungated]