I fully applaud your work on promoting the fact that there exist Open
versions of PDF, as produced by the ISO. It would be nice, however, if you
provided links and/or names for these - ISO 32000 (PDF), ISO 19005 (PDF/A),
ISO 24517 (PDF/E) and ISO 15930 (PDF/X).
In addition, I welcome your promoting the existence of the various free PDF
readers that are available to users on various OS platforms.
However, I noticed that you've chosen to leave visibly absent the lack of
overlap between these two things. It is EXTREMELY important for users to
know that while these free readers exist - NONE of them support ANY of the
Open versions of PDF.
While the FSF is working on their GnuPDF project, to provide an ISO 32000
compliant viewer - it will be a while before that materializes. In that
time, I would think that users of free products would want/expect their
products to comply with open standards. As such, I think that an excellent
use for yourselves and your site would be to work with to promote that
effort.
I, myself, am quite active in that effort and in free/open PDF efforts. I
have been an active participant on every major free/open PDF-related project
for over 10 years now! I will continue to help work with these projects to
help them achieve this goal - and would love all the help you can offer...
Leonard
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Leonard Rosenthol
PDF Standards Architect
Adobe Systems Incorporated