This paper at http://media.centerdigitaled.com/cun...hardt-cuny.doc
discuss something related to "ink marking of student submission" that might
interest you.

"bob" <bobree********.com> wrote in message
news:umO5KnuFEHA.624@TK2MSFTNGP10.phx.gbl...
> I work at a school and want to purchase some tablets for our instructors
to
> use. My plan would be to have students email Word and Excel files, faculty
> would download the files on a tablet, circle words and make comments on
the
> documents and send the files back to the students.
>
> 1. Can anyone think of any issues with doing this?
> 2. What is required on the student side to view the ink written on the
> files? Will Office 2000 or higher be able to view the ink?
> 3. Can ink be deleted on a standard pc?
>
> Thanks.
>
>