GSMA – World Mobile Congress

I visited Barcelona for the biggest trade show in our industry. It was my first GSMA trade show and I learned lots of stuff about what to do and how to do business in a trade show.
Apart of all the interesting work being done in our booth, I also explored the trade show and played [...]

Bidimensional codes

This last month I’ve been developing a visual tags reader for cell phones using Java mobile and the core library of the ZXing project. The software reads a special formatted and encrypted 2d code and shows related information stored in an XML database. The user can then edit some of the fields.

This is a [...]