The following two images are of a fax sent by Douglas Adams to Brainstorm Software in the early eighties.

Some of his hand-written stuff has faded. The tick and the margin note are mine. And it looks as if his fax creased the paper as he was sending it.

Wish I'd scanned it when it was still legible.

To answer his last comment: nope, it hasn't made me a rich man. Not in money terms anyway. It's been a lot of fun and hard work and we enjoy a good relationship with our users.