diff --git a/README.md b/README.md
index 174f41a4..36bf328c 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@
 Concoct is a runtime for user-interfaces in Rust.
 
 ```rust
-use concoct::{Context, Handler, Object, Runtime, Signal};
+use concoct::{Context, Object, Runtime, Signal, Slot};
 
 #[derive(Default)]
 pub struct Counter {
@@ -37,10 +37,12 @@ impl Object for Counter {}
 
 impl Signal<i32> for Counter {}
 
-impl Handler<i32> for Counter {
+impl Slot<i32> for Counter {
     fn handle(&mut self, cx: Context<Self>, msg: i32) {
-        self.value = msg;
-        cx.emit(msg);
+        if self.value != msg {
+            self.value = msg;
+            cx.emit(msg);
+        }
     }
 }
 
diff --git a/examples/counter.rs b/examples/counter.rs
index 9cc21fc8..50991910 100644
--- a/examples/counter.rs
+++ b/examples/counter.rs
@@ -11,8 +11,10 @@ impl Signal<i32> for Counter {}
 
 impl Slot<i32> for Counter {
     fn handle(&mut self, cx: Context<Self>, msg: i32) {
-        self.value = msg;
-        cx.emit(msg);
+        if self.value != msg {
+            self.value = msg;
+            cx.emit(msg);
+        }
     }
 }