It is in the interest of the general public to mirror these services as many time as we should. Paywalls for scientific articles are holding back the whole species. Fusion reactor when? Maybe when the patents for technological advance will not be held by oil companies around the world, whose short term interests cap the our technological progress to make the world a more livable place.<p>I have a couple PhD student friends, who give me first hand account of biology articles being inaccessible in 2nd world countries due to paywalls and financial limitations of research facilities. It is holding back research in just about every field, I suppose.