Two blog posts are up for XOVis. These should do a good job as an intro to XOVis. http://blog.olenepal.org/index.php/archives/902 http://www.olpcsf.org/node/208 cheers, Sameer -- Sameer Verma, Ph.D. Professor, Information Systems San Francisco State University http://verma.sfsu.edu/ http://commons.sfsu.edu/ http://olpcsf.org/ http://olpcjamaica.org.jm/