So what is doxygen?
Pulled from Wikipedia, the official definition.
It was a very useful presentation, with lots of tips and advises that you don't always realise when you write custom code or setup a website environment.
Some of the developers of our team had the opportunity to attend the drupalcon session:
Damn Quick Drupal: How to Make Drupal Perform and Scale Like a Rockstar! by Michael Cooper (Soyarma), you can find very useful information about the mentioned conference here:
I've recently been working on a site that required some graphical charts to show the number of nodes tagged with particular taxonomy terms. The site, for Global Trade Alert, has a custom content type called a trade measure. Each trade measure is tagged with the country that implemented it using a taxonomy term.