When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300o C. The Russians used a pencil.
A dog went to a telegram office, took out a blank form and wrote: Woof. Woof. Woof. Woof. Woof. Woof. Woof. Woof. Woof. The clerk examined the paper and politely told the dog: There are only nine words here. You could send another Woof for the same price. The dog replied, But that would make no sense at all.