Text ( visual ) : unmediated The Johns Hopkins guide to digital media / edited by Marie-Laure Ryan, Lori Emerson, and Benjamin J. Robertson. -- : pbk. -- Baltimore : Johns Hopkins University Press , 2014. -- xiii, 538 p. ; 26 cm. -- Includes bibliographical references. -- ISBN 9781421412245 ; (BB19021313) ; https://ci.nii.ac.jp/ncid/BB19021313 Author Heading(s): Ryan, Marie-Laure ; Emerson, Lori ; Robertson, Benjamin J.. -- Classification(s): LCC : P90 ; DC23 : 302.23/1. -- Subject Heading(s): LCSH : Digital media ; LCSH : Mass media -- Technological innovations -- Social aspects