Every content item in this list is tagged with all the required labels:

• 5g
• contest
• description
• dutchpilot
• kernel
• linux
• multiscreen
• pilot
• proves
• songcontest
• v-security
• vpn
• wp3

To add a label to the list of required labels, choose '+ labelname' from Related Labels.
To remove a label from the required labels, choose '- labelname' from above.