Discovered Pages
[Discover] Chapter 3. The SQUID proxy server http://learnlinux.tsf.org.za/courses/build/electives/ch03.html
(squid) 
[Discover] Free Technology for Teachers: Maps, Not Just for Social Studies Anymore http://freetech4teachers.blogspot.com/2008/09/maps-not-just-for-social-studies.html (ela science math electives)