Here is a nice article about using QR codes effectively – linking to text, URLs, Google maps, contact details, phone numbers, rss etc etc.
This technology has SO much to offer in terms of understanding wider ICT implications I’m amazed that it isn’t used more widely. Would anyone like to collaborate on developing a unit of work maybe?
The article also links to a site containing details of how to make your own short url service. You’ll need PHP and and SQL service but not too much technical knowhow. Personally I’ve been worried about short urls because companies come and go – and take your short urls with them – even Google does this (wave goodbye to Google Wave everyone). Setting up your own short url service seems a really smart way forward. Register those short URLs for your school soon folks – they won’t be about forever.