IL is gone, but Ladder remains—why does PLC Ladder logic survive even in the era of Structured Text?

"Ladder is outdated. The future of PLCs is Structured Text (ST)."In the world of FA, you sometimes see this kind of ...

At the end of 'Rashomon', it was the old woman who remained

This contains spoilers for the ending of Ryunosuke Akutagawa's 'Rashomon'.'No one knows where the servant went.'This is the final sentence of 'Rashomon'. Reading it makes me want to follow the servant ...