Scanning a barcode using a mobile phone can deliver many forms of information. The only application that has been presented so far by the media, is price comparison.
See what the travel industry is doing with a barcode.
From HotelMarketing Thomson showcases travel technology of the future
The UK’s leading travel company Thomson today gave an insight into the key technological developments that are likely to benefit the travel industry in the near future.
A mobile phone, equipped with a bar code reader, would enable customers to scan bar codes on advertisements or holiday brochures; details of availability information can then be displayed on their mobile phone screen.
A booking confirmation would have a unique barcode (2d code) that the customer would scan to store it in the phone so that travel shops, hotels and airports would be able to instantly recognise the customer using an RFID reader - speeding up the check in and security processes.
What I find interesting is that 2 forms of physical world hyperlinks are being used.