In return for a fee ($2000), ASH will deposit the final version of Wellcome-funded articles directly into PMC, where they will be made freely available at the time of publication. Further, special licensing language has been drafted to allow end-users of Wellcome-funded articles unrestricted access to these articles. ...
The open access movement:
Putting peer-reviewed scientific and scholarly literature
on the internet. Making it available free of charge and
free of most copyright and licensing restrictions.
Removing the barriers to serious research.
I recommend the OA tracking project (OATP) as the best way to stay on top of new OA developments. You can read the OATP feed on a blog-like web page or subscribe to it by RSS, email, or Twitter. You can also help build the feed by tagging new developments you encounter.