The Ruby Logo is Copyright (c) 2006, Yukihiro Matsumoto. It is licensed
under the terms of the Creative Commons Attribution-ShareAlike 2.5
agreement:

http://creativecommons.org/licenses/by-sa/2.5/

We ask that you do not use the logo to represent something other than
the Ruby Programming language. If you have questions about the logo,
please join the VIT-Discuss mailing list and ask your questions there:

http://rubyforge.org/mailman/listinfo/vit-discuss/

Thank you,

The Ruby Visual Identity Team