Actual real poster:
'While you were reading this poster, your pockets might have been picked.'
Right. Fucking THANKS.
(
Moon Girl Technologies horrendous beanbag,
Fri 9 Mar 2012, 22:45,
archived)
There should be more hypothetical posters like that.
A poster for every eventuality, ever.
'Whilst you were reading this poster, we were making a poster for the event of you not reading this poster.'
(
An Eagle in Your Mind,
Fri 9 Mar 2012, 23:04,
archived)