We researchers don't get paid for our papers. We give the publishers our papers for free so that they can make money by putting them behind a paywall. We someti

We researchers don't get paid for our papers. We give the publishers our papers for free so that they can make money by putting them behind a paywall. We sometimes even need to pay the publishers to publish our papers. The paywall can sometimes be removed by paying the publisher even more to compensate for their loss of income.