diff --git a/app/Followable.php b/app/Followable.php
index 2773961..15e8389 100644
--- a/app/Followable.php
+++ b/app/Followable.php
@@ -16,15 +16,7 @@ public function unfollow(User $user)
 
     public function toggleFollow(User $user)
     {
-        // Tip: You can also use the toggle() method.
-        //      We'll cover this in the next episode.
-        //      $this->follows()->toggle($user);
-
-        if ($this->following($user)) {
-            return $this->unfollow($user);
-        }
-
-        return $this->follow($user);
+        $this->follows()->toggle($user);
     }
 
     public function following(User $user)
diff --git a/app/Http/Controllers/ExploreController.php b/app/Http/Controllers/ExploreController.php
new file mode 100644
index 0000000..a4a2f55
--- /dev/null
+++ b/app/Http/Controllers/ExploreController.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\User;
+
+class ExploreController extends Controller
+{
+    public function index()
+    {
+        return view('explore', [
+            'users' => User::paginate(50),
+        ]);
+    }
+}
diff --git a/app/Http/Controllers/ProfilesController.php b/app/Http/Controllers/ProfilesController.php
index bc45d37..25cdf7f 100644
--- a/app/Http/Controllers/ProfilesController.php
+++ b/app/Http/Controllers/ProfilesController.php
@@ -28,7 +28,7 @@ public function update(User $user)
                 Rule::unique('users')->ignore($user),
             ],
             'name' => ['string', 'required', 'max:255'],
-            'avatar' => ['required', 'file'],
+            'avatar' => ['image'],
             'email' => [
                 'string',
                 'required',
@@ -45,7 +45,9 @@ public function update(User $user)
             ],
         ]);
 
-        $attributes['avatar'] = request('avatar')->store('avatars');
+        if (request('avatar')) {
+            $attributes['avatar'] = request('avatar')->store('avatars');
+        }
 
         $user->update($attributes);
 
diff --git a/app/User.php b/app/User.php
index 1374fb9..c9f3a25 100644
--- a/app/User.php
+++ b/app/User.php
@@ -34,13 +34,13 @@ class User extends Authenticatable
 
     public function getAvatarAttribute($value)
     {
-        return asset($value);
+        return asset($value ?: '/images/default-avatar.jpeg');
     }
 
-    // Next episode...
-    //    public function setPasswordAttribute($value)
-    //    {
-    //    }
+    public function setPasswordAttribute($value)
+    {
+        $this->attributes['password'] = bcrypt($value);
+    }
 
     public function timeline()
     {
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index 741edea..d2aa291 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -19,10 +19,12 @@
 
 $factory->define(User::class, function (Faker $faker) {
     return [
+        'username' => $faker->unique()->username,
         'name' => $faker->name,
         'email' => $faker->unique()->safeEmail,
         'email_verified_at' => now(),
-        'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
+        'password' =>
+            '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
         'remember_token' => Str::random(10),
     ];
 });
diff --git a/public/images/default-avatar.jpeg b/public/images/default-avatar.jpeg
new file mode 100644
index 0000000..64e2e9b
Binary files /dev/null and b/public/images/default-avatar.jpeg differ
diff --git a/resources/views/components/follow-button.blade.php b/resources/views/components/follow-button.blade.php
index 66888a6..06b092b 100644
--- a/resources/views/components/follow-button.blade.php
+++ b/resources/views/components/follow-button.blade.php
@@ -1,6 +1,6 @@
 @unless (current_user()->is($user))
     <form method="POST"
-          action="/profiles/{{ $user->name }}/follow"
+          action="{{ route('follow', $user->username) }}"
     >
         @csrf
 
diff --git a/resources/views/explore.blade.php b/resources/views/explore.blade.php
new file mode 100644
index 0000000..d39c8b2
--- /dev/null
+++ b/resources/views/explore.blade.php
@@ -0,0 +1,19 @@
+<x-app>
+    <div>
+        @foreach ($users as $user)
+            <a href="{{ $user->path() }}" class="flex items-center mb-5">
+                <img src="{{ $user->avatar }}"
+                      alt="{{ $user->username }}'s avatar"
+                      width="60"
+                      class="mr-4 rounded"
+                >
+
+                <div>
+                    <h4 class="font-bold">{{ '@' . $user->username }}</h4>
+                </div>
+            </a>
+        @endforeach
+
+        {{ $users->links() }}
+    </div>
+</x-app>
diff --git a/resources/views/profiles/edit.blade.php b/resources/views/profiles/edit.blade.php
index 231036e..c4ceda0 100644
--- a/resources/views/profiles/edit.blade.php
+++ b/resources/views/profiles/edit.blade.php
@@ -55,7 +55,7 @@
                        type="file"
                        name="avatar"
                        id="avatar"
-                       required
+                       accept="image/*"
                 >
 
                 <img src="{{ $user->avatar }}"
diff --git a/resources/views/welcome.blade.php b/resources/views/welcome.blade.php
index a6162f7..ccb313c 100644
--- a/resources/views/welcome.blade.php
+++ b/resources/views/welcome.blade.php
@@ -74,7 +74,7 @@
 
                 <div class="links">
                     @auth
-                        <a href="{{ url('/home') }}">Home</a>
+                        <a href="{{ url('/tweets') }}">Home</a>
                     @else
                         <a href="{{ route('login') }}">Login</a>
                         <a href="{{ route('register') }}">Register</a>
diff --git a/routes/web.php b/routes/web.php
index df192c8..31f021d 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -21,14 +21,22 @@
     Route::get('/tweets', 'TweetsController@index')->name('home');
     Route::post('/tweets', 'TweetsController@store');
 
-    Route::post('/profiles/{user:username}/follow', 'FollowsController@store');
+    Route::post(
+        '/profiles/{user:username}/follow',
+        'FollowsController@store'
+    )->name('follow');
+
     Route::get(
         '/profiles/{user:username}/edit',
         'ProfilesController@edit'
     )->middleware('can:edit,user');
 
-    // Next episode, we'll add the necessary authorization middleware.
-    Route::patch('/profiles/{user:username}', 'ProfilesController@update');
+    Route::patch(
+        '/profiles/{user:username}',
+        'ProfilesController@update'
+    )->middleware('can:edit,user');
+
+    Route::get('/explore', 'ExploreController@index');
 });
 
 Route::get('/profiles/{user:username}', 'ProfilesController@show')->name(