Michael Hoffman wrote:
Dave Liney wrote:

Such an announcement did make realise that I was about to leave my
coat on a overhead rack on a train once. I normally blocked them out
but part of my brain must have been listening.

Good to know it helped at least one person. Actually even knowing that
reduces some of my opposition but I'd still like to see the
experiment .

The experiment went on for about 130 years, from 1863 onwards.