Hiding your research behind a paywall is immoral

A vivid piece from the guardian on open access and why a researcher should make sure that people can get to his or her results.
No, no, no. Dammit, we're scientists. Our job is to make knowledge. If we make it, then brick it up behind a wall, we're wasting our time and our funders' money – which ultimately means we're squandering the world's wealth.