diff --git a/ChristmasEvent.py b/ChristmasEvent.py
index b7fcd01..f487d46 100755
--- a/ChristmasEvent.py
+++ b/ChristmasEvent.py
@@ -29,6 +29,12 @@ class DatabaseManager:
             )
         ''')
 
+        self.cursor.execute('''
+            CREATE TABLE IF NOT EXISTS commented_users (
+                username TEXT PRIMARY KEY
+            )
+        ''')
+
         # Wishes table
         self.cursor.execute('''
             CREATE TABLE IF NOT EXISTS wishes (
@@ -71,6 +77,22 @@ class DatabaseManager:
         except sqlite3.IntegrityError:
             return False
 
+    def add_commented_user(self, username):
+        try:
+            self.cursor.execute("INSERT INTO commented_users VALUES (?)",
+                                (username, ))
+            self.conn.commit()
+            return True
+        except sqlite3.IntegrityError:
+            return False
+
+    def get_commented_users(self, username):
+        try:
+            self.cursor.execute("SELECT * FROM commented_users WHERE username=?", (username,))
+            return self.cursor.fetchone()
+        except sqlite3.IntegrityError:
+            return None
+
     def save_wish(self, sender, recipient, message):
         """Inserts or Replaces a wish"""
         self.cursor.execute("SELECT username FROM participants WHERE username = ?", (recipient,))
@@ -166,8 +188,8 @@ class SafetyFilter:
 
 class ChristmasBot:
 
-    # Store the last updated data to prevent unneeded updates.
-    last_updated_data = []
+    # Store the last updated overall count of wishes.
+    last_updated_count = 0
 
     def __init__(self):
         print("🎄 Initializing Christmas Helper...")
@@ -214,14 +236,18 @@ class ChristmasBot:
         if now - self.last_dashboard_update < config.update_post_interval: return
 
         data = self.db.get_forest_data()
+        overall_count = 0
+        if data:
+            for username, count in data:
+                overall_count += count
 
-        if len(self.last_updated_data) == len(data) or len(data) == 0:
+        if overall_count == self.last_updated_count:
             # Nothing changed.
             print(f"No change in dashboard, last checked {datetime.datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S')}...", end="\r")
             return
 
         print("📝 Updating Forest Dashboard...")
-        self.last_updated_data = data
+        self.last_updated_count = overall_count
         body = "# 🎄 The Christmas Forest 🎄\n\n"
         body += "### How to Participate:\n"
         body += "1. Send a DM to u/{}\n".format(config.username)
@@ -354,6 +380,14 @@ class ChristmasBot:
             self.db.clear_conversation(sender)
 
             print(f"💾 Wish saved for {target.lower()}")
+            if self.db.get_commented_users(target.lower()):
+                print("User already existed before, no need to update")
+            else:
+                print("New user, add comment")
+                self.db.add_commented_user(target.lower())
+                submission = self.reddit.submission(id=config.master_post_id)
+                submission.add_comment(config.comment_base_text.format(username=target.lower()))
+
             if state == "CONFIRM_REPLACE":
                 message.reply(f"✅ Your wish for u/{target.lower()} has been **updated**! 🎄")
                 print(f"{sender} has updated their wish for u/{target.lower()} to **{content}**.")
diff --git a/christmas_event.db b/christmas_event.db
index f10c22e..38712ba 100644
Binary files a/christmas_event.db and b/christmas_event.db differ
diff --git a/config.py b/config.py
index 1b9a195..3e179e4 100644
--- a/config.py
+++ b/config.py
@@ -20,6 +20,8 @@ check_interval=60
 #Interval in seconds to update the dashboard if something changed
 update_post_interval=300
 
+comment_base_text="(Pinging in comment, as no more than 3 pings per post)\n\nYou got messages: u/{username}"
+
 megathread_username="droid_tect"
 megathread_password="lwwh1b-9gK-Ds_o"