After Effects features work flow enhancements and added cooperation throughout Creative Suite 4.
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With each release, After Effects expands the number of formats in which you can save projects. With CS4, Adobe has expanded options for high-definition video as well as for creating Flash movies, mobile content, and Adobe AIR desktop applications.
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A new effect in After Effects can translate video footage of people into a cartoon.
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Search fields within After Effects can help you quickly find assets connected to your project. Typing "MOV," for example, will bring up related movies.