Businesss Media Network (BMN) and Social Media Network (SMN) categories:
allaboutubuntu.ning.com
clububuntu.ning.com
www.flickr.com/groups/ubunters/
www.flickr.com/groups/ubuntu-uk/
www.flickr.com/groups/poweredbyubuntu/
www.flickr.com/groups/ubuntudesktops/
www.flickr.com/groups/usg/
www.flickr.com/groups/linuxubuntu/
www.flickr.com/groups/590097@N22/
www.flickr.com/groups/361416@N25/
myubuntu.ning.com
ubuntuusers.ning.com
gbubuntu.ning.com
xubuntupals.ning.com
