Some of that technology is actually used today. Systems like JBoss Drools, IBM Operational Decision Manager. Government agencies sometimes use modern versions o

Some of that technology is actually used today. Systems like JBoss Drools, IBM Operational Decision Manager. Government agencies sometimes use modern versions of these things to ensure that policies are followed. Eligibility for medicaid, for instance, is often decided by rules systems that are descended from systems like CLIPS. This technology isn't super-sexy compared to deep learning but there are application areas where it is still relevant.