Depends on how you define 'metadata'. There is indeed a whole bunch of
information left in the document, but nothing you can be identified by.
Some of things that are left behind are:
- creation date (dublin core)
- last modified date (dublin core)
- program you created the document with ('Microsoft Office Word' unless
you used something else)
- version of the program you created the document with ('12.0000' if you
used Word 2007)
- editing time
- some unused styles might still be defined within the document
- a set of possible revision ids (not used in the document, but they could
indicate a common ancestor document)
- the name of the custom template you use for your bibliographies if you
have a custom one (if it is named faceman28208.xsl, they might trace it back
to you)
Yves