"Drupal sites benefit from an ecosystem of contributed modules that can enhance your site’s functionality, performance, and user experience. But with so many modules to choose from, how can you select the right tool for your site without going overboard? This talk delves into Drupal's world of contributed modules and explores topics.

Assessing modules through Drupal.org by looking at things like:

Documentation
Issue queue
Web usage & contribution
Recommended releases & security support
(Advanced) Browsing module code repositories

How to choose between similar modules.

Case Study: Groups vs. Organic Groups
Testing modules on a clean Drupal installation through a plug-and-play system.
Choosing between utilizing an existing module or pursuing a custom module solution."