24/7 Real Media announced that Aviation Week's AviationNow.com, has signed a multi-year renewal of its exclusive agreement with the company's Open AdStream Central as the site's exclusive ad serving solution. With more than 50 products and services and a core audience of some one million professionals and enthusiasts, the Aviation Week division of The McGraw-Hill Companies bills itself as the premiere provider of "multimedia information and service provider to the aviation and aerospace market." Its Web portal, www.AviationNow.com, offers the real-time news, professional information and e-business features. Open AdStream is 24/7 Real Media's proprietary online ad serving technology available in local and fully hosted (Central) versions. Its client list includes Weather.com, FoxNews, Jupiter Media, and Forbes.com.