 Why does Open Access content not remove all barriers on the choice of the patron?
Shifting from isolated computers to a globe-spanning network of connected computers suddenly allows us to share perfect copies of our work with a worldwide audience at essentially no cost. Open access is the name of the revolutionary kind of access these authors, unencumbered by a motive of financial gain, are free to provide to their readers. Open access (OA) literature is digital, online, free of charge, and free of most copyright and licensing restrictions. Copyright can also be a significant access barrier. If we remove price barriers alone, we provide gratis OA , and if we remove at least some permission barriers as well, we provide libre OA . By “open access” to this literature, we mean its free availability on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles, crawl them for indexing, pass them as data to software, or use them for any other lawful purpose, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself. But at the same time, all three allow at least one limit on user freedom: an obligation to attribute the work to the author. The basic idea of OA is simple: Make research literature available online without price barriers and without most permission barriers. If there are complexities, they lie in the transition from where we are now to a world in which OA is the default for new research. In principle, any kind of digital content can be OA, since any digital content can be put online without price or permission barriers. OA is made possible by the internet and copyright-holder consent. Second, scholarly journals generally don’t pay authors for their research articles, which frees this special tribe of authors to consent to OA without losing revenue. This peculiar custom does more than insulate cutting-edge research from the market and free scholars to consent to OA without losing revenue. It frees researchers to challenge conventional wisdom and defend unpopular ideas, which are essential to academic freedom. This custom doesn’t guarantee that truth-seeking won’t be derailed by profit-seeking, and it doesn’t guarantee that we’ll eventually fill the smallest gaps in our collaborative understanding of the world. But it removes a major distraction by allowing them, if they wish, to focus on what is likely to be true rather than what is likely to sell.
 It is important to retain proper citation practices
 It was a term in the original Open Access agreements that they would start removing some barriers and move from there  It would be too difficult to remove all barriers given that most of this content is on the internet  It is not financially viable to cover all of the bases  It is important to retain proper citation practices