San Francisco's 1985 downtown plan required large new office and hotel developments to incorporate public spaces, but the city is only now updating the requirements and reinforcing the initial goal of opening up privately owned public spaces (POPOS).
Dec 20, 2012 The Atlantic Cities
As part of an endeavor to improve access to New York's 525 Privately Owned Public Spaces (POPS), which gained notoriety during last year's Occupy Wall Street protests, a new website has been launched to help the public find and utilize them.
Oct 23, 2012 The Architect's Newspaper
John King authors an article examining the types of privately owned public spaces that have been created in San Francisco under the city's 1985 downtown plan and sees room for improvement.
Feb 22, 2012 San Francisco Chronicle