“10. maritime mail service
When you're keen on sending a message in a bottle but dubious about the delivery mechanism, consider the following factors from science-minded seafarers: choose a dark bottle, roll the message inward to avoid the ink fading in the sun, drop the bottle in a place with a steady current, and wait a loooooong time. (As of this book's publication, the world's oldest message in a bottle was discovered 132 years after it was sent.) Is this the wrong time to mention that the greatest predictor of survival is hope?”