Apple iPods offer a Location Service to programmers for use in applications; imagine being able to get a free yourOrg app from the Apple AppStore that, once logged-in, allowed you to get driving/parking/walking directions to your next class or meeting. The timetabling info. is already available from yourOrg apps.
Location Services uses (SkyHook's) amalgam of GPS (iPhone only), WiFi and cellphone tower triangulation (iPhone only). WiFi has the advantage of being about as accurate as GPS, it works well indoors and it works on both iTouch (~$200) and iPhone (~$500 or $150 +$65/m x 36).
Here is a (manual) webapp that allows you to upload your WiFi's MAC address, latitude & longitude to SyHook's databases.
Just add some programming and we're good to go!
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