I was at a conference with a number representatives from various publishers. During a discussion about access control I was basically told that publishers want

I was at a conference with a number representatives from various publishers. During a discussion about access control I was basically told that publishers want to enforce specific spatio-temporal constraints on who can view (as in read with human eyeballs) their content based on whether a library or individual paid for it. They make the other content industries look positively benign.