What's Drupal? Drupal is open source software. Drupal can be used to manage blogs, communities, newspapers, magazines, forums, wikis, on-line video channels, and other kinds of content. You've probably visited a site powered by Drupal, and not even realized it! ('Da Drupes is humble like that.)
A new version of Drupal, Drupal 5.0 was released last week. What's new since Drupal 4.7, its last major revision?
There's a web-based installer! (It's not as nice as the Wordpress installer, but it's easier than Drupal 4.7's.)
The administration panel/ tools is totally reworked since Drupal 4.7. In a good way.
The new core theme lets you change color stuff dynamically with CSS
(This is a compressed Flash movie of the "What's new in Drupal 5.0" video. Consider downloading the larger, but much higher quality mp4 here.)
While it's easy to find out that software like Drupal is being used when it's running a famous public website, it's a little harder to know when it's being used internally, in corporate, community, and organizational intranets. As it turns out, Yahoo! uses Drupal internally, and outlined the process. Based on this awesome Drupal case study from IBM, one can only assume they use it for collaboration stuff as well.
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