diff --git a/astrid/src/com/todoroo/astrid/dao/TaskDao.java b/astrid/src/com/todoroo/astrid/dao/TaskDao.java
index 7e877fdfd..76ac35c25 100644
--- a/astrid/src/com/todoroo/astrid/dao/TaskDao.java
+++ b/astrid/src/com/todoroo/astrid/dao/TaskDao.java
@@ -219,15 +219,33 @@ public class TaskDao extends DatabaseDao<Task> {
         ContentValues values = item.getSetValues();
         boolean result = super.createNew(item);
         if(result) {
-            if(Preferences.getBoolean(AstridPreferences.P_FIRST_ACTION, false)) {
-                StatisticsService.reportEvent(StatisticsConstants.USER_FIRST_TASK);
-                Preferences.setBoolean(AstridPreferences.P_FIRST_ACTION, false);
-            }
+            userRetentionMetrics();
             afterSave(item, values);
         }
         return result;
     }
 
+    private void userRetentionMetrics() {
+        if(Preferences.getBoolean(AstridPreferences.P_FIRST_ACTION, false)) {
+            StatisticsService.reportEvent(StatisticsConstants.USER_FIRST_TASK);
+            Preferences.setBoolean(AstridPreferences.P_FIRST_ACTION, false);
+        }
+
+        long firstLaunchTime = Preferences.getLong(AstridPreferences.P_FIRST_LAUNCH, 0);
+        long now = DateUtilities.now();
+        long timeSinceFirst = now - firstLaunchTime;
+        if (timeSinceFirst < DateUtilities.ONE_WEEK && !Preferences.getBoolean(StatisticsConstants.TASK_ONE_WEEK, false)) {
+            StatisticsService.reportEvent(StatisticsConstants.TASK_ONE_WEEK);
+            Preferences.setBoolean(StatisticsConstants.TASK_ONE_WEEK, true);
+        } else if (timeSinceFirst < 2 * DateUtilities.ONE_WEEK && !Preferences.getBoolean(StatisticsConstants.TASK_TWO_WEEKS, false)) {
+            StatisticsService.reportEvent(StatisticsConstants.TASK_TWO_WEEKS);
+            Preferences.setBoolean(StatisticsConstants.TASK_TWO_WEEKS, true);
+        } else if (timeSinceFirst < 3 * DateUtilities.ONE_WEEK && !Preferences.getBoolean(StatisticsConstants.TASK_THREE_WEEKS, false)) {
+            StatisticsService.reportEvent(StatisticsConstants.TASK_THREE_WEEKS);
+            Preferences.setBoolean(StatisticsConstants.TASK_THREE_WEEKS, true);
+        }
+    }
+
     /**
      * Sets default reminders for the given task if reminders are not set
      * @param item
diff --git a/astrid/src/com/todoroo/astrid/service/StartupService.java b/astrid/src/com/todoroo/astrid/service/StartupService.java
index cb9e0c16b..a0311c416 100644
--- a/astrid/src/com/todoroo/astrid/service/StartupService.java
+++ b/astrid/src/com/todoroo/astrid/service/StartupService.java
@@ -28,6 +28,7 @@ import com.todoroo.andlib.service.ContextManager;
 import com.todoroo.andlib.service.DependencyInjectionService;
 import com.todoroo.andlib.service.ExceptionService;
 import com.todoroo.andlib.utility.AndroidUtilities;
+import com.todoroo.andlib.utility.DateUtilities;
 import com.todoroo.andlib.utility.Preferences;
 import com.todoroo.astrid.actfm.sync.ActFmPreferenceService;
 import com.todoroo.astrid.actfm.sync.ActFmSyncService;
@@ -131,6 +132,10 @@ public class StartupService {
         }
 
         if (latestSetVersion == 0) {
+            if (Preferences.getLong(AstridPreferences.P_FIRST_LAUNCH, -1) < 0) {
+                Preferences.setLong(AstridPreferences.P_FIRST_LAUNCH, DateUtilities.now());
+            }
+
             int defaultTheme = abChooser.getChoiceForOption(ABOptions.AB_THEME_KEY);
             if (defaultTheme == 0)
                 Preferences.setString(R.string.p_theme, "white");
@@ -138,6 +143,7 @@ public class StartupService {
                 Preferences.setString(R.string.p_theme, "black");
         } else {
             abChooser.setChoiceForOption(ABOptions.AB_THEME_KEY, 0);
+            Preferences.setLong(AstridPreferences.P_FIRST_LAUNCH, 0);
         }
 
         int version = 0;
diff --git a/astrid/src/com/todoroo/astrid/service/StatisticsConstants.java b/astrid/src/com/todoroo/astrid/service/StatisticsConstants.java
index 93e63c612..c0861668a 100644
--- a/astrid/src/com/todoroo/astrid/service/StatisticsConstants.java
+++ b/astrid/src/com/todoroo/astrid/service/StatisticsConstants.java
@@ -58,5 +58,9 @@ public class StatisticsConstants {
     public static final String REPEAT_TASK_CREATE = "repeat-task-create";
     public static final String ACTFM_LIST_SHARED = "actfm-list-shared";
 
+    public static final String TASK_ONE_WEEK = "task-created-one-week";
+    public static final String TASK_TWO_WEEKS = "task-created-two-weeks";
+    public static final String TASK_THREE_WEEKS = "task-created-three-weeks";
+
 
 }
diff --git a/astrid/src/com/todoroo/astrid/service/abtesting/ABOptions.java b/astrid/src/com/todoroo/astrid/service/abtesting/ABOptions.java
index d553476b1..b80295d13 100644
--- a/astrid/src/com/todoroo/astrid/service/abtesting/ABOptions.java
+++ b/astrid/src/com/todoroo/astrid/service/abtesting/ABOptions.java
@@ -177,6 +177,9 @@ public class ABOptions {
     private static final String[] AB_THEME_DESCRIPTIONS = { "ab-theme-white", "ab-theme-black" };
     private static final String[] AB_THEME_EVENTS = { StatisticsConstants.USER_FIRST_TASK,
                                                       StatisticsConstants.USER_FIRST_LIST,
-                                                      StatisticsConstants.ACTFM_NEW_USER };
+                                                      StatisticsConstants.ACTFM_NEW_USER,
+                                                      StatisticsConstants.TASK_ONE_WEEK,
+                                                      StatisticsConstants.TASK_TWO_WEEKS,
+                                                      StatisticsConstants.TASK_THREE_WEEKS };
 
 }
diff --git a/astrid/src/com/todoroo/astrid/utility/AstridPreferences.java b/astrid/src/com/todoroo/astrid/utility/AstridPreferences.java
index fcc151761..f605ff660 100644
--- a/astrid/src/com/todoroo/astrid/utility/AstridPreferences.java
+++ b/astrid/src/com/todoroo/astrid/utility/AstridPreferences.java
@@ -21,6 +21,8 @@ public class AstridPreferences {
 
     public static final String P_UPGRADE_FROM = "uf"; //$NON-NLS-1$
 
+    public static final String P_FIRST_LAUNCH = "fltime";  //$NON-NLS-1$
+
     /** Set preference defaults, if unset. called at startup */
     public static void setPreferenceDefaults() {
         Context context = ContextManager.getContext();