From @wikimedia, retweeted by @wikipedia:
Today we enabled Perfect Forward Secrecy on our servers to safeguard users' privacy against decryption https://bugzilla.wikimedia.org/show_bug.cgi?id=53259 #SSL
(see also https://twitter.com/g_gerg/status/484051951709995009 , and for background, e.g. https://www.eff.org/deeplinks/2013/08/pushing-perfect-forward-secrecy-import... )