In the past years this topic was limited to german-speaking websites, where important news (e.g. Call for Paper, end of the Call for Papers etc.) were posted:
There are no existing contacts to international websites
Ikhaya is the News-blog of the german Ubuntu users community website. In past years, Ubucon news were summarized for Ikhaya. Regular updates were published.
The Ubucon-Feed was registered with the following planets:
The most important news were posted to the following lists:
There was no „official“ Ubucon sender address, so individual accounts were used.
See the Launchpad project for past posters, business cards etc.: