Adobe sent subscribers an email last week with this site http://www.AcrobatITtips.com
...which leads to this handy PDF Portfolio with 21 good tips and techniques:
Didn't see it anywhere else so thought the forum might find it useful.
Well, it seems the Acrobat IT Tips site is no longer available, and the free Acrobat tutorial file not found anywhere else online - so we've taken the liberty of hosting this helpful resource on our site instead:
Just a comment
I have Acrobat Pro 8.3.0 and the PDF opened in a partial screen with a warning about unsupported features
I will guess that Adobe made that document with Acrobat X and did not select a previous version for compatibility during their save