The hashtag seems to have originated in 2012: http://www.altmetric.com/blog/interactions-the-numbers-behind-icanhazpdf/ http://www.altmetric.com/blog/interactio

The hashtag seems to have originated in 2012: http://www.altmetric.com/blog/interactions-the-numbers-behind-icanhazpdf/ http://www.altmetric.com/blog/interactions-the-numbers-behin...