Extra modules

There are thousands of contributed modules for Drupal - here are a few you might want to look at:

• Disqus module - Is great for commenting
• Pathauto - automatically create better URLs for your content.
• Private messaging module lets users send private messages to each other
• Fivestar module gives you a ratings system
• The Masquerade module is great for testing out your site
• Take a look at Drupal Commons for some ideas

It is not necessary to install all the above modules but don't stop there, there's a module for almost everything - search Drupal.org or Google for others.