IBM's Watson and slow A.I. Progress

IBM has spent more than five years working on its special artificial intelligence system, Watson.  It was thought that medical records and diagnosis would be performed with great accuracy through this new system.  A lot of great performance was promised but has not been developed.  A long article in the electrical engineers’ journal explains why.  See  https://spectrum.ieee.org/biomedical/diagnostics/how-ibm-watson-overpromised-and-underdelivered-on-ai-health-care/