One of the emerging technologies that we have been researching is semacodes.
Semacodes look a little like an out of focus crossword puzzle, but are actually used to provide information to mobile phones.

Usually, the code or tag contains information such as a URL which the phone captures via it's camera function.  This overcomes one of the barriers to using mobile phones for internet access, which is typing in long addresses.

This code shown here actually points to the URL http://www.bullseye.com.au/mobi which is a site we have created containing some useful mobile site links, along with a mobile version of this blog.

This link lets you tag any URL to create your own semacode.

Semacode readers are included on many new phones such as Nokia's N95, but will also run on any recent camera phone if you download and install the free reader.

Here are some download links
Nokia http://mobilecodes.nokia.com/terms.htm
Other http://semacode.com/download
If you have web access from your phone you can simply go to http://www.i-nigma.mobi which automatically recognises if your phone supports the reader and provides a direct download (it's about 400k).
Smartphones http://www.quickmark.com.tw/En/basic/download.asp

The uses for Semacodes are varied, but here are 2.

Print media.  Used in print media they can be used to link an article or ad to a particular website. Say you see an ad for a product  in a Health and Beauty magazine, the code could be used to enable people to directly go to a page containing more information about the product, a place to purchase or a page to enter a competition. 

Music. You have just released your first song and you want to provide people with a direct download to their phones. You create a semacode that links to the free song download URL.