Openx has brought a new technology how to Deactivate Campaign Option, which is very useful for making campaign deactivate or make it ideal or pause.
Openx has its significant feature in its own but still modules makes openx interface more user friendly and reliable adserver to the clients.
This module is efficient if you want to deactivate a campaign while a campaign is running. Using this module you can deactivate the campaign in the same way as you can deactivate a banner. If you need your campaign to be pause for certain period due various reasons you can make use of this module to make the campaign pause for some time and make it active while you need the campaign. Thus, this module will help you to display the campaign when you want and deactivate or pause the campaign for some time, when you don’t want to display the campaign.
Openx:
OpenX is Open source software that helps publishers make more capital from online advertise. It is the most popular ad server key that puts control over online advertise back in the hands of publishers which is a open source software written in PHP using the Mysql database.
Need of this Module: 
This module is very efficient in Advertising campaign or marketing campaign, a series of organized marketing efforts achieved through advertising. These Advertising campaign or marketing campaign can be deactivated using this module when the campaigns are not to be displayed and can be made pause.