diff --git a/DysonNetwork.Sphere/Activity/Activity.cs b/DysonNetwork.Sphere/Activity/Activity.cs
index 4e90e80..fba0f2c 100644
--- a/DysonNetwork.Sphere/Activity/Activity.cs
+++ b/DysonNetwork.Sphere/Activity/Activity.cs
@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace DysonNetwork.Sphere.Activity;
 
@@ -6,6 +7,7 @@ public enum ActivityVisibility
 {
     Public,
     Friends,
+    Selected
 }
 
 public class Activity : ModelBase
@@ -14,8 +16,11 @@ public class Activity : ModelBase
     [MaxLength(1024)] public string Type { get; set; } = null!;
     [MaxLength(4096)] public string ResourceIdentifier { get; set; } = null!;
     public ActivityVisibility Visibility { get; set; } = ActivityVisibility.Public;
-    public Dictionary<string, object> Meta =  new();
-    
+    [Column(TypeName = "jsonb")] public Dictionary<string, object> Meta = new();
+    [Column(TypeName = "jsonb")] public ICollection<long> UsersVisible = new List<long>();
+
     public long AccountId { get; set; }
     public Account.Account Account { get; set; } = null!;
+
+    [NotMapped] public object? Data { get; set; }
 }
\ No newline at end of file
diff --git a/DysonNetwork.Sphere/Activity/ActivityController.cs b/DysonNetwork.Sphere/Activity/ActivityController.cs
index b772ac0..2f362ae 100644
--- a/DysonNetwork.Sphere/Activity/ActivityController.cs
+++ b/DysonNetwork.Sphere/Activity/ActivityController.cs
@@ -13,21 +13,22 @@ public class ActivityController(AppDatabase db, ActivityService act, Relationshi
     {
         HttpContext.Items.TryGetValue("CurrentUser", out var currentUserValue);
         var currentUser = currentUserValue as Account.Account;
-        var userFriends = await rels.ListAccountFriends(currentUser!);
+        var userFriends = currentUser is null ? null : await rels.ListAccountFriends(currentUser);
 
         var totalCount = await db.Activities
             .FilterWithVisibility(currentUser, userFriends)
             .CountAsync();
-        var posts = await db.Activities
+        var activities = await db.Activities
             .Include(e => e.Account)
             .FilterWithVisibility(currentUser, userFriends)
             .OrderByDescending(e => e.CreatedAt)
             .Skip(offset)
             .Take(take)
             .ToListAsync();
+        activities = await act.LoadActivityData(activities, currentUser, userFriends);
 
         Response.Headers["X-Total"] = totalCount.ToString();
 
-        return Ok(posts); 
+        return Ok(activities); 
     }
 }
\ No newline at end of file
diff --git a/DysonNetwork.Sphere/Activity/ActivityService.cs b/DysonNetwork.Sphere/Activity/ActivityService.cs
index 4258ca1..e2d1583 100644
--- a/DysonNetwork.Sphere/Activity/ActivityService.cs
+++ b/DysonNetwork.Sphere/Activity/ActivityService.cs
@@ -1,15 +1,59 @@
 using DysonNetwork.Sphere.Post;
+using Microsoft.EntityFrameworkCore;
 using NodaTime;
 
 namespace DysonNetwork.Sphere.Activity;
 
 public class ActivityService(AppDatabase db)
 {
+    public async Task<List<Activity>> LoadActivityData(List<Activity> input, Account.Account? currentUser,
+        List<long> userFriends)
+    {
+        if (input.Count == 0) return input;
+
+        var postsId = input
+            .Where(e => e.ResourceIdentifier.StartsWith("posts/"))
+            .Select(e => long.Parse(e.ResourceIdentifier.Split("/").Last()))
+            .Distinct()
+            .ToList();
+
+        if (postsId.Count > 0)
+        {
+            var posts = await db.Posts.Where(e => postsId.Contains(e.Id))
+                .Include(e => e.Publisher)
+                .Include(e => e.Publisher.Picture)
+                .Include(e => e.Publisher.Background)
+                .Include(e => e.ThreadedPost)
+                .Include(e => e.ForwardedPost)
+                .Include(e => e.Attachments)
+                .Include(e => e.Categories)
+                .Include(e => e.Tags)
+                .FilterWithVisibility(currentUser, userFriends)
+                .ToListAsync();
+
+            var postsDict = posts.ToDictionary(p => p.Id);
+
+            for (var idx = 0; idx < input.Count; idx++)
+            {
+                var resourceIdentifier = input[idx].ResourceIdentifier;
+                if (!resourceIdentifier.StartsWith("posts/")) continue;
+                var postId = long.Parse(resourceIdentifier.Split("/").Last());
+                if (postsDict.TryGetValue(postId, out var post) && input[idx].Data is null)
+                {
+                    input[idx].Data = post;
+                }
+            }
+        }
+
+        return input;
+    }
+
     public async Task<Activity> CreateActivity(
         Account.Account user,
         string type,
         string identifier,
-        ActivityVisibility visibility = ActivityVisibility.Public
+        ActivityVisibility visibility = ActivityVisibility.Public,
+        List<long>? visibleUsers = null
     )
     {
         var activity = new Activity
@@ -18,6 +62,7 @@ public class ActivityService(AppDatabase db)
             ResourceIdentifier = identifier,
             Visibility = visibility,
             AccountId = user.Id,
+            UsersVisible = visibleUsers ?? []
         };
 
         db.Activities.Add(activity);
@@ -31,8 +76,26 @@ public class ActivityService(AppDatabase db)
         if (post.Visibility is PostVisibility.Unlisted or PostVisibility.Private) return;
 
         var identifier = $"posts/{post.Id}";
-        await CreateActivity(user, "posts.new", identifier,
-            post.Visibility == PostVisibility.Friends ? ActivityVisibility.Friends : ActivityVisibility.Public);
+        if (post.RepliedPostId is not null)
+        {
+            var ogPost = await db.Posts.Where(e => e.Id == post.RepliedPostId).Include(e => e.Publisher)
+                .FirstOrDefaultAsync();
+            if (ogPost == null) return;
+            await CreateActivity(
+                user,
+                "posts.new.replies",
+                identifier,
+                ActivityVisibility.Selected,
+                [ogPost.Publisher.AccountId!.Value]
+            );
+        }
+
+        await CreateActivity(
+            user,
+            "posts.new",
+            identifier,
+            post.Visibility == PostVisibility.Friends ? ActivityVisibility.Friends : ActivityVisibility.Public
+        );
     }
 }
 
@@ -41,14 +104,13 @@ public static class ActivityQueryExtensions
     public static IQueryable<Activity> FilterWithVisibility(this IQueryable<Activity> source,
         Account.Account? currentUser, List<long> userFriends)
     {
-        var now = Instant.FromDateTimeUtc(DateTime.UtcNow);
-
         if (currentUser is null)
             return source.Where(e => e.Visibility == ActivityVisibility.Public);
 
         return source
             .Where(e => e.Visibility != ActivityVisibility.Friends ||
                         userFriends.Contains(e.AccountId) ||
-                        e.AccountId == currentUser.Id);
+                        e.AccountId == currentUser.Id)
+            .Where(e => e.Visibility != ActivityVisibility.Selected || e.UsersVisible.Contains(currentUser.Id));
     }
 }
\ No newline at end of file