Penman PR Represents Sapling Learning, Educational Software Innovator for the ... - San Francisco Chronicle http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNEoThLpwi2ZoHfAFt9q5itFckMocA&url=http://www.sfgate.com/cgi-bin/article.cgi?f%3D/g/a/2010/10/19/prwebprweb4663144.DTL