Here are few stories about this:
Fox News Debate:
San Francisco Weekly:Â Free Porn: SFPL Tries to Shield Patrons’ Screens from Public Eye
The Huffington Post: San Francisco Library Porn Shield Lets Patrons View Adult Content In Private (VIDEO)
LifeSiteNews: San Francisco Library installs plastic screens for patrons to view online pornography
Fox News: Pornography at San Francisco library prompts privacy screens