When we eventually invent the technology to travel millions of light years and get to alien civilizations, we should just leave patterns on their crops and leave.
I was at the pub one day and two really large women came in, talking in an interesting accent. ME “Cool accent, are you two ladies from Ireland?”
One of the Ladies “It’s Wales, dumbo!”
“Oh, right, so are you two whales from Ireland?” That’s about as far as I remember.