IHeartAdoption.org - Educational and social networking site on Drupal 6 | drupal.org: "Again, with lots of forum support and a copy of Pro Drupal Development, we dove right in. Our search is accomplished by using Drupals Form and Database API's to run queries on user profile fields. In hindsight using Views exposed filters would have worked great here, but our experience with this powerful module was limited, and so we built a custom module to suit our purposes. Several more custom modules were created during this time as well (see list below for details)."
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