This section is reserved for qualified Campaigns… Only mod can post and only users with the "Campaign Management Team " badge can comment and vote.
In general, campaign voting is up for a maximum 14 days. After 14 days, the mod will lock the post. A campaign is a resource-limited activity, general it should not last more than 1 month and the budget should be small enough so it does not hurt if we make mistake. The success of a campaign on how specific its success factor can be measured, how clear the actions each participant must conduct and its transparency.
Please see this post to see detail information of a campaign.