A company announcement issued in early April, also cites partnerships with other media shops, including Interpublic’s Initiative London, as well as media companies such as BBC Magazines, which is hoping to extend its buyer base than the usual method of having its sales teams call potential buyers. CBS (NYSE: CBS) Outdoor, which buys space on billboards, has also been working with MediaEquals on creating a co-branded site as platform to supplement its marketing. Release (PDF)