CS4 updated and refined the desktop system introduced for the Macromedia-integrated Adobe CS3 era. Visual improvements to the ever-growing system were many - sharper, crisper, brighter - but this release also marked the official yet quietly in-progress introduction of what would become Adobe's new corporate typeface, Clean.

dentity, logo mark, and icon development for Adobe's AIR (Integrated Runtime). Air is a development and distribution platform melding the unique authoring and functional capabilities of Flash, Flex, and web-based technologies for online and offline applications.