...Among the institutions that now instruct their tour guides to walk forward, alongside visitors, are big schools like the University of Texas at Austin, American University in Washington, and the State University at Oswego, N.Y.,, as well as smaller colleges like Trinity University in San Antonio, Albright in Reading, Pa,. and Spelman in Atlanta...
Full story:
http://www.nytimes.com/2009/08/19/education/19college.html?_r=1&em
