idml will also reduce the size of the exported pdf? So all things considered we have to make sure that the files we send out have as few loose ends, which includes properly sized images, as possible. Thus the need for sending the native files. Plus, there are often changes needed on jobs (nobody noticed a missing comma until they saw printer proofs) which need to be done at the printer because it would cost too much to send it back to the agency. Since that is the case files can't be prepared with proper color profiles (which vary by the country) as well as various other file requirements which change from country to country. The reason for this is that it allows them to find the most cost efficient (cheapest) printer in just about any country in the world. My agency is part of a global network of agencies (the second largest in the world) and it is the general practice throughout that network that the clients pick the vendors who will do the printing (and we never know who that will be). You may be wondering why we don't just send pdfs. Sizing images properly prior to release helps avoid later problems. This is especially important as we are required to release jobs as the original InDesign, Photoshop and Illustrator files. We have also found that the most consistent output of images has been achieved by making sure that they have been sized to 100% with a resolution of 300 ppi (for conventional offset jobs) prior to import into InDesign. ![]() This has been especially a factor in regard to ease of printing and for the creation of efficiently sized pdfs. It has been our experience building and releasing thousands of jobs that correct placement of images has been more important than the actual size of the InDesign file. I have been working in the production studio of a large advertising agency in New York for over twenty years. While you may be right, Rob, that InDesign file size increases when resampling images, it has been my experience that this sizing is essential to overall efficiency and is an essential factor in proper file management.
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