What I would very much like to see is the purchase and release of images that are themselves in the public domain, but are still locked in a stranglehold by museums and libraries that claim they have copyright on the photographs of those images. This is particularly true in the UK where museums and libraries typically charge large fees for reproductions, then large fees for using the images; sometimes the claim for copyright of the photographs of materials in the public domain is also made in the USA--where Bridgeman vs Corel (http://en.wikipedia.org/wiki/Bridgeman_vs_Corel) has set a precedent but hasn't been endorsed by the Supreme Court; and sometimes this claim for copyright is made in Canada as well. I don't know a lot about other countries, but probably there are similar issues all over the world: large organizations that are supposed to be stewards of cultural history in fact are hoarders of it. The result is that a huge portion of our history is too expensive for many people to see and and admire and study, and oftentimes too expensive or legally too problematic for scholars to include in their published studies.
APM