I got a laugh out of this.
linked to good old InDesign forums:
When you visit the Adobe site for help after going crazy with these issues, you get advice from helpful stooges like this:
I don’t see keeping 3-5 versions of InDesign as being too much to expect of a freelancer. Also probably a good idea to keep Illustrator CS3 at minimum for the compatibility. I think it just comes with the territory.
Or the ‘Community Support Specialist’ who offers:
If you want to work with people in CS3 you’ll need to use CS3. Folks on CS4? Same thing.
Don't start this chestnut up again, that guy is an idiot:
Now, mind you, such incompatibility doesn’t involve exotic functionality, just straight text layout into columns and boxes.
Why doesn't he use Word?