This is slightly off topic, but I'll tell you anyway.

A few years ago, we used to get the occasional fax from various telemarketers, and of course others did too. This guy John knew, had had enough one day, and wrote a long letter to the company. He sent it by fax after closing time - one word on each page. I can just picture the mountain of paper on their floor the next morning.

As far as I know, he never got anymore faxes from them.