From: "Pikas, Christina K." <[log in to unmask]> Date: Thu, 22 Oct 2015 00:14:56 +0000 This is a well-established practice at this point. See this article, for example: Gardner, C.C. and Gardner, G.J. (2015) Bypassing Interlibrary Loan Via Twitter: An Exploration of #icanhazpdf Requests. Paper presented at ACRL 2015. Retrieved from: http://www.ala.org/acrl/sites/ala.org.acrl/files/content/conferences/confsandpreconfs/2015/Gardner.pdf