Easy note taking site. Create an account, type in your notes simply and add new notes by hitting enter.
Site has a mobile friendly version for viewing notes. quicklyst.com/mobile that makes accessing the notes via a smartphone easy and quick.
Blog about Chris Geeen's iPod touch project at his school. Has some very interesting ideas about how students can create quick products from research on the iPod touch. Worth looking at if you have access to mobile learning tools not just iPod, although some of the apps are specific to the iPod.