Invitations to write for bogus journals and speak at bogus conferences keep rolling in. Here is one I received today. Dear Dr. Rob J. Hyndman, It is our great pleasure to welcome you to join in Part 2: Knowledge Economy Symposium of GCKE-2017, which will be held in Qingdao, China during September 19-21, 2017. And we cordially invite you to propose a Speech on your recent research of Corrigendum to: “Hierarchical forecasts for Australian domestic tourism” [International Journal of Forecasting 25 (2009) 146–166]… …