diff --git a/tootapalooza/cli.py b/tootapalooza/cli.py
index 939d968..53e4d0c 100644
--- a/tootapalooza/cli.py
+++ b/tootapalooza/cli.py
@@ -126,22 +126,59 @@ class Tooter(Mastodon):
 
             self.toot(message)
         return 0
+    
+    def toot_plain_unlisted(self) -> int:
+        """Toot a random message unlisted."""
+        message = self.new_message()
+        if( args.dry_run ):
+            print(f"toot unlisted message: \"{message}\"")
+        else:
+            if( args.debug ):
+                print(f"{self.name} toots unlisted \"{message}\"")
+            self.status_post( message, visibility='private' )
+        return( 0 )
 
     def reply_random_local(self) -> int:
         if( args.debug ):
             print(f"{self.name} reply_random_local")
-        return( 0 )
+
+        return(self._reply_random('local'))
     
     def reply_random_home(self) -> int:
         if( args.debug ):
             print(f"{self.name} reply_random_home")
-        return( 0 )
+
+        return(self._reply_random('home'))
     
-    def reply_random_federated(self) -> int:
+    def reply_random_public(self) -> int:
         if( args.debug ):
-            print(f"{self.name} reply_random_federated")
-        return( 0 )
-    
+            print(f"{self.name} reply_random_public")
+
+        return(self._reply_random('public'))
+
+    def _reply_random(self, timeline: str) -> int:
+        """Read the given timeline, pick a post at random, reply to it. 
+           Updates the read marker for that timeline."""
+        chunk_size = 20
+        max_posts  = 100
+        timeline_list = []
+        while( len(timeline_list) < max_posts ):
+            posts_received = self.timeline(timeline=timeline, limit=chunk_size)
+            if( len(posts_received) == 0 ):
+                break
+            timeline_list.extend(posts_received)
+
+        reply_post = random.choice(timeline_list)
+        message = self.new_message()
+
+        if( args.dry_run ):
+            print(f"{self.name} replied to {timeline} {reply_post.id}")
+        else:
+            if( args.debug ):
+                print(f"{self.name} replied to {reply_post.account.acct} {reply_post.uri}")
+            self.markers_set([timeline], [reply_post.id])
+            self.status_post( message, in_reply_to_id=reply_post.id, visibility='public' )
+
     def follow_random_local(self) -> int:
         if( args.debug ):
             print(f"{self.name} follow_random_local")
@@ -152,11 +189,6 @@ class Tooter(Mastodon):
             print(f"{self.name} unfollow_random")
         return( 0 )
     
-    def toot_plain_unlisted(self) -> int:
-        if( args.debug ):
-            print(f"{self.name} toot_plain_unlisted")
-        return( 0 )
-    
     def boost_random_local(self) -> int:
         if( args.debug ):
             print(f"{self.name} boost_random_local")
@@ -185,9 +217,9 @@ class Tooter(Mastodon):
     def random_interaction(self):
         """Choose one possible interaction according to the weights, and do it."""
         interactions = {
-            self.reply_random_local:     1,
-            self.reply_random_home:      1,
-            self.reply_random_federated: 1,
+            self.reply_random_local:     4,
+            self.reply_random_home:      0,
+            self.reply_random_public: 0,
             self.follow_random_local:    1,
             self.unfollow_random:        1,
             self.toot_plain_public:      1,