haha thanks.  I even sent them an email, to which they replied:

Thanks for your email and for your suggestion. We are aware of bitcoin, and we will continue to monitor it with interest. Thanks again for taking the time to email us.

Sincerely,

Michael Beattie
Donor Services Associate
Wikimedia Foundation, Inc.
https://wikimediafoundation.org
Support us: https://donate.wikimedia.org