http://libravatar.org/ http://libravatar.org/ provides a FLOSS, federated solution to the problem, instead of "just another centralised private service" that ha

http://libravatar.org/ http://libravatar.org/ provides a FLOSS, federated solution to the problem, instead of "just another centralised private service" that has the potential to leak data (i.e. every site you go to will make a logged request on their service, with libravatar you can run your own server instead)