OU Freemium — new businesses deriving income from open educational resources (OER) and associated services. This business area was previously called "OU for Free" and has been re-titled to stress the need to monetise OER in order to create a sustainable business model. It includes OpenLearn, SocialLearn, iTunesU and Open Research Online.
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.