Virgin Atlantic is the worst airline for such errors, The Independent newspaper now matches The Grauniad typo for typo, even the BBC's standards have dropped so that on news bulletins you will, fortunately still only occasionally, find mistakes on their 'tickertapes.'
Now here's my favourite.
I was at a music festival this summer. There I saw a young gentleman sporting a fluorescent green Mohican. His chest was bare, and on it, in a very large gothic font, were the words:
"Life Wont Wait"
Indeed, nor will apostrophes. At least, you can't accuse him of not practising what he preaches.