Articles on PDAs in the Classroom and detecting wireless networks

Here is a link to a great article in "Wired News" (courtesy Teri Ross Embrey) on Pocket
PCs in the classroom (http://www.wired.com/news/school/0,1383,54183,00.html) and
War Walking: Detecting Wireless Networks (http://www.pocketpcmag.com/Nov02/e_warwalking.asp)