This Debian package was both written and designed by Avery Pennarun.  Here
is the copyright notice from the popularity-contest script.

#
# Copyright (C) 1998 by Avery Pennarun, for the Debian Project.
# Use, modify, and redistribute modified or unmodified versions in any
# way you wish.
#

The perl version of the popularity-contest script is

Copyright (C) 2003 by Bill Allombert <ballombe@debian.org>

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

On Debian GNU/Linux systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.