Reply To: Can I squeeze that PDF some more?

It’s hard to say without seeing your file, but here are a few things:
You may need a web version of your InDesign file.

-convert all swatches to RGB process
-Flatten everything: If you have any complicated vector images, transparencies, effects and clipping paths, save them as JPG/PNG if possible.
-Save any TIFs or PSDs as JPG/PNG (process to 100% as effleess said)
-in your PDF export, Compatibility Acrobat 8/9 and No Color Conversion, Optimize for Fast Web View
-Export your INDD to IDML, open and save. If that lowers the INDD file size, you may get a lower PDF size.

You may have to tell you client that something’s gotta give, like using fewer photos or breaking it up into two magazines.