Since 1994, CDX has been setting the standard for interactive automotive education resources. Flexible delivery and ease of use have always been the primary characteristic of all CDX products, and CDX continues to deliver the learning materials that students and instructors prefer to use. The purpose of CDX CDX aims to improve the speed and effectiveness of automotive education through quality digital content, and innovative software applications for students, instructors, institution's and enterprises. CDX is rapidly achieving its goal of becoming the preferred learning materials choice for automotive instructors and students worldwide. The 'power of visual learning' materials development philosophy of CDX The most effective learning modes for most students developing technical understanding and psychomotor skills are concrete and visual, rather than abstract and descriptive. The primary delivery mode for new CDX content therefore is overwhelmingly audio-visual - using video, animations, graphics, and simulations. However, CDX learning materials are all supported with extensive reference and transcriptive text materials. The comparative achievements of students who learn with CDX have been well documented, and they speak for themselves. The rapidly expanding resources of CDX CDX has the largest library of the highest quality interactive automotive training products on the world market today. More than $7m has been invested in product development, and CDX now has more than 2,000 educational institution clients in 55 different countries around the world. The speed and quantity of new CDX materials development is accelerating. In 2007, CDX added more new content to the latest release of its key products than in the previous five years put together. In 2008, CDX has again increased its commitment and investment in even more new materials.