I can't say that I find the safety card particularly helpful or particularly informative. I always stop reading, change glasses and watch the safety breifing, but I am fed up with that bl**dy rabbit the blasted kid drops every time on the BA briefing. And then the hostess picks it up and doesn't smack the stupid little wotsit round the lug'ole!
Slightly amusing is the instruction about turning off electronic equipment. They don't mention pacemakers and hearing aids, both of which these days may well have radio transmitters in them - as may insulin pumps, and other medical implants.