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

• google
• howto
• manage-participants
• meetings
• password
• pmp
• polls
• reservation
• text-code
• tsc
• video
• windowsdesktop

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.