You can be one of the Plone users and developers who will show Plone around the world during November 7th 2008.
It is very simple, just give a Plone introductory talk in your university, town or community and contribute to the Plone promotion. To be part of it, Just add your name in the Plone Marketing Project and start to organize your local meeting.
Also, If you are a designer, marketer or just want to contribute with the World Plone Day global organization, you are invited to join us.
If you need help or if you have any question do not hesitate to write to the evangelism group.