List the features of Drupal ?

1. Rock solid & high quality platform
2. Powerful templating system. Any XHTML or CSS template can be easily converted to Drupal
3. Real multi-site-feature (only one installation for several sites)
4. Any Kind of user groups & user permissions, OpenId compliant in Version 6
5. Can run membership and community sites, not only CMS etc
6. Clear, high quality code and API (easy to integrate with other solutions etc)