I ordered some tickets online and was sent to a Web page which displayed the tickets (with bar codes and stuff), with instructions to print them out.
The Web page also had this big warning on it:
IT IS UNLAWFUL TO REPRODUCE THIS TICKET IN ANY FORM.
Um, this is a print-at-home ticket. The entire reason for its existence is to be reproduced in printed form.
I printed it anyway.
Nobody arrested me.