<div dir="ltr"><b><font color="#ff0000">Possibly the biggest barrier to open access is that scientists are judged by where they have published</font></b> when they compete for jobs, promotions, tenure and grant money. And the most prestigious journals, such as Cell, Nature and The Lancet, also tend to be the most protective of their content.<div><br><a href="http://www.nytimes.com/2016/03/13/opinion/sunday/should-all-research-papers-be-free.html">http://www.nytimes.com/2016/03/13/opinion/sunday/should-all-research-papers-be-free.html</a></div></div>