diff --git a/modules/base/classes/settings.php b/modules/base/classes/settings.php
index 9f46801d..70e403ca 100644
--- a/modules/base/classes/settings.php
+++ b/modules/base/classes/settings.php
@@ -735,6 +735,7 @@ private function getDefaultSettingsArray() {
                 'archive_old_events'                => true, // used by event queues to archive processed events.
                 'request_mode'						=> 'web_app',
                 'useStaticConfigOnly'				=> false,
+                'allow_slowly_changing_dimensions'	=> true,
                 'db_supported_types'				=> ['mysql' => 'MySQL']
             )
         );
diff --git a/modules/base/handlers/refererHandlers.php b/modules/base/handlers/refererHandlers.php
index 55e3b760..3c5320fd 100644
--- a/modules/base/handlers/refererHandlers.php
+++ b/modules/base/handlers/refererHandlers.php
@@ -55,6 +55,8 @@ function notify($event) {
         $r = owa_coreAPI::entityFactory('base.referer');
 
         $r->load( $event->get( 'referer_id' ) );
+        
+        $medium = $event->get('medium');
 
         if ( ! $r->wasPersisted() ) {
 
@@ -68,8 +70,6 @@ function notify($event) {
 
             $r->set( 'site', $url['host'] );
 
-            $medium = $event->get('medium');
-
             if ( $medium === 'organic-search' ) {
 
                 $r->set('is_searchengine', true);
@@ -79,7 +79,8 @@ function notify($event) {
             $r->set('page_title', '(not set)');
 
             // Crawl and analyze refering page
-            if ($medium != 'organic-search' ) {
+            if ( $medium != 'organic-search' || $medium != 'social-network' ) {
+	            
                 $r->crawlReferer();
             }
 
@@ -93,6 +94,20 @@ function notify($event) {
             }
 
         } else {
+	        
+	        // check and update medium if it's new
+	        // @todo make this check for a "allow_slowly_changing_dimensions" setting flag
+	        
+	        if ( owa_coreAPI::getSetting('base', 'allow_slowly_changing_dimensions') ) {
+		        
+		        if ( $medium != $r->get( 'medium' ) ) {
+			        
+			        $r->set( 'medium', $medium );
+			        $r->save();
+			        owa_coreAPI::debug("Updating Referrer medium to be: $medium");
+		        }
+			}
+			
             owa_coreAPI::debug('Not Persisting. Referrer already exists.');
             return OWA_EHS_EVENT_HANDLED;
         }