Open Access not all Open

Some open access repositories include "dark deposit" documents that are perhaps not yet released into open access through the publisher or the author has deposited them but limited access. Eloy Rodrigues' interesting interview  with Richard Poynder discusses the use and success rate of the "request eprint button" at the University of Minho in Portugal.

Websites Referenced
http://poynder.blogspot.co.uk/2015/03/open-access-and-request-eprint-button-q.html
http://www.uminho.pt/en