No longer are publishers the primary conduit through which content must pass before it is disseminated to the world. This is a radically new paradigm and despite our best efforts, libraries (and many other related institutions) have not been able to keep pace with the impact this shift has had on collection development and long term access.
This article by Amanda Lawrence was recently published in the Australian Library and Information Management Association's Incite Magazine, Vol 34 Issue1/2 (Jan/Feb 2013)