They are still used in a lot of “mission critical” industries that would have been computerized in the 1970s/1980s. In the past 5 years I’ve seen them in finan

They are still used in a lot of “mission critical” industries that would have been computerized in the 1970s/1980s. In the past 5 years I’ve seen them in finance, some government sectors, and in quite a few in hospitals.