diff --git a/first.ru b/first.ru
new file mode 100644
index 00000000..e48c0d20
--- /dev/null
+++ b/first.ru
@@ -0,0 +1,9 @@
+require 'rack'
+
+# Instances of Proc automatically have a call method that runs the block that
+# they're initialized with.
+my_server = Proc.new do 
+  [200, {'Content-Type' => 'text/html'}, ['<em>Hello</em>']]
+end
+
+run my_server
\ No newline at end of file
diff --git a/my_server.rb b/my_server.rb
new file mode 100644
index 00000000..183dbafa
--- /dev/null
+++ b/my_server.rb
@@ -0,0 +1,11 @@
+# ./my_server.rb
+ 
+class MyServer
+  def call(env)
+    return [ 200, {'Content-Type' => 'text/html'}, pretty_response ]
+  end
+ 
+  def pretty_response
+    (Time.now.to_i % 2).zero? ?  ["<em>Hello</em>"] : ["<strong>Hello</strong>"]
+  end
+end
\ No newline at end of file
diff --git a/second.ru b/second.ru
new file mode 100644
index 00000000..adda6966
--- /dev/null
+++ b/second.ru
@@ -0,0 +1,14 @@
+require 'rack'
+
+#Something that responds to call, that's what Rack demands
+class MyServer
+  def call(env)
+    return [200, {'Content-Type' => 'text/html'}, pretty_response]
+  end
+  
+  def pretty_response
+    (Time.now.to_i % 2).zero? ? ["<em>Hello</em>"] : ["<strong>Hello</strong>"]
+  end
+end
+
+run MyServer.new
\ No newline at end of file
diff --git a/third.ru b/third.ru
new file mode 100644
index 00000000..31f65ab0
--- /dev/null
+++ b/third.ru
@@ -0,0 +1,2 @@
+require_relative './my_server'
+run MyServer.new
\ No newline at end of file