diff --git a/examples/textfield/index.js b/examples/textfield/index.js
index a097cd8..3e255c6 100644
--- a/examples/textfield/index.js
+++ b/examples/textfield/index.js
@@ -1,7 +1,7 @@
 ///////////////////////////////////////////////////////////////////////////
 // GUI
 
-var Route = Minimart.Route;
+var Actor = Minimart.Actor;
 var World = Minimart.World;
 var sub = Minimart.sub;
 var pub = Minimart.pub;
@@ -17,53 +17,47 @@ function piece(text, pos, lo, hi, cls) {
 }
 
 function spawnGui() {
-    World.spawn({
-	boot: function () {
-	    World.updateRoutes([sub(["jQuery", "#inputRow", "+keypress", __]),
-				sub(["fieldContents", __, __], 0, 1),
-				sub(["highlight", __], 0, 1)]);
-	},
-	fieldContentsSpec: Route.compileProjection(["fieldContents", _$, _$]),
-	highlightSpec: Route.compileProjection(["highlight", _$]),
-	handleEvent: function (e) {
-	    switch (e.type) {
-	    case "routes":
-		var text = "", pos = 0, highlight = false;
-		// BUG: escape text!
-		var fc = Route.matcherKeys(e.gestalt.project(this.fieldContentsSpec, true));
-		if (fc.length > 0) {
-		    text = fc[0][0];
-		    pos = fc[0][1];
-		}
-		var hl = Route.matcherKeys(e.gestalt.project(this.highlightSpec, true));
-		if (hl.length > 0) {
-		    highlight = hl[0][0];
-		}
-		$("#fieldContents")[0].innerHTML = highlight
-		    ? piece(text, pos, 0, highlight[0], "normal") +
-		      piece(text, pos, highlight[0], highlight[1], "highlight") +
-		      piece(text, pos, highlight[1], text.length + 1, "normal")
-		    : piece(text, pos, 0, text.length + 1, "normal");
-		break;
-	    case "message":
-		if (e.message[0] === "jQuery") { // it's a keypress event
-		    var keycode = e.message[3].keyCode;
-		    var character = String.fromCharCode(e.message[3].charCode);
-		    if (keycode === 37 /* left */) {
-			World.send(["fieldCommand", "cursorLeft"]);
-		    } else if (keycode === 39 /* right */) {
-			World.send(["fieldCommand", "cursorRight"]);
-		    } else if (keycode === 9 /* tab */) {
-			// ignore
-		    } else if (keycode === 8 /* backspace */) {
-			World.send(["fieldCommand", "backspace"]);
-		    } else if (character) {
-			World.send(["fieldCommand", ["insert", character]]);
-		    }
-		}
-	    }
-	}
-    });
+    World.spawn(new Actor(function () {
+      Actor.subscribe(
+	function () { return ["jQuery", "#inputRow", "+keypress", _$("event")]; },
+	function (event) {
+	  var keycode = event.keyCode;
+	  var character = String.fromCharCode(event.charCode);
+	  if (keycode === 37 /* left */) {
+	    World.send(["fieldCommand", "cursorLeft"]);
+	  } else if (keycode === 39 /* right */) {
+	    World.send(["fieldCommand", "cursorRight"]);
+	  } else if (keycode === 9 /* tab */) {
+	    // ignore
+	  } else if (keycode === 8 /* backspace */) {
+	    World.send(["fieldCommand", "backspace"]);
+	  } else if (character) {
+	    World.send(["fieldCommand", ["insert", character]]);
+	  }
+	});
+
+      Actor.observeAdvertisers(
+	function () { return ["fieldContents", _$("text"), _$("pos")]; },
+	{ singleton: "field" },
+	updateDisplay);
+
+      Actor.observeAdvertisers(
+	function () { return ["highlight", _$("state")]; },
+	{ singleton: "highlight" },
+	updateDisplay);
+
+      function updateDisplay() {
+	// BUG: escape text!
+	var text = this.field ? this.field.text : "";
+	var pos = this.field ? this.field.pos : 0;
+	var highlight = this.highlight ? this.highlight.state : false;
+	$("#fieldContents")[0].innerHTML = highlight
+	  ? piece(text, pos, 0, highlight[0], "normal") +
+	    piece(text, pos, highlight[0], highlight[1], "highlight") +
+	    piece(text, pos, highlight[1], text.length + 1, "normal")
+	  : piece(text, pos, 0, text.length + 1, "normal");
+      }
+    }));
 }
 
 ///////////////////////////////////////////////////////////////////////////
@@ -71,92 +65,80 @@ function spawnGui() {
 
 function spawnModel() {
     var initialContents = "initial";
-    World.spawn({
-	fieldContents: initialContents,
-	cursorPos: initialContents.length, /* positions address gaps between characters */
-	boot: function () {
-	    World.updateRoutes(this.subscriptions());
-	},
-	subscriptions: function () {
-	    return [sub(["fieldCommand", __]),
-		    pub(["fieldContents", this.fieldContents, this.cursorPos])];
-	},
-	handleEvent: function (e) {
-	    switch (e.type) {
-	    case "message":
-		if (e.message[1] === "cursorLeft") {
-		    this.cursorPos--;
-		    if (this.cursorPos < 0)
-			this.cursorPos = 0;
-		} else if (e.message[1] === "cursorRight") {
-		    this.cursorPos++;
-		    if (this.cursorPos > this.fieldContents.length)
-			this.cursorPos = this.fieldContents.length;
-		} else if (e.message[1] === "backspace" && this.cursorPos > 0) {
-		    this.fieldContents =
-			this.fieldContents.substring(0, this.cursorPos - 1) +
-			this.fieldContents.substring(this.cursorPos);
-		    this.cursorPos--;
-		} else if (e.message[1].constructor === Array && e.message[1][0] === "insert") {
-		    var newText = e.message[1][1];
-		    this.fieldContents =
-			this.fieldContents.substring(0, this.cursorPos) +
-			newText +
-			this.fieldContents.substring(this.cursorPos);
-		    this.cursorPos += newText.length;
-		}
-		World.updateRoutes(this.subscriptions());
-		break;
-	    }
-	}
-    });
+    World.spawn(new Actor(function () {
+      this.fieldContents = initialContents;
+      this.cursorPos = initialContents.length; /* positions address gaps between characters */
+
+      Actor.advertise(
+	function () { return ["fieldContents", this.fieldContents, this.cursorPos]; });
+
+      Actor.subscribe(
+	function () { return ["fieldCommand", _$("command")]; },
+	function (command) {
+	  if (command === "cursorLeft") {
+	    this.cursorPos--;
+	    if (this.cursorPos < 0)
+	      this.cursorPos = 0;
+	  } else if (command === "cursorRight") {
+	    this.cursorPos++;
+	    if (this.cursorPos > this.fieldContents.length)
+	      this.cursorPos = this.fieldContents.length;
+	  } else if (command === "backspace" && this.cursorPos > 0) {
+	    this.fieldContents =
+	      this.fieldContents.substring(0, this.cursorPos - 1) +
+	      this.fieldContents.substring(this.cursorPos);
+	    this.cursorPos--;
+	  } else if (command.constructor === Array && command[0] === "insert") {
+	    var newText = command[1];
+	    this.fieldContents =
+	      this.fieldContents.substring(0, this.cursorPos) +
+	      newText +
+	      this.fieldContents.substring(this.cursorPos);
+	    this.cursorPos += newText.length;
+	  }
+	  this.updateRoutes();
+	});
+    }));
 }
 
 ///////////////////////////////////////////////////////////////////////////
 // Search engine
 
 function spawnSearch() {
-    World.spawn({
-	fieldContents: "",
-	highlight: false,
-	fieldContentsSpec: Route.compileProjection(["fieldContents", _$, _$]),
-	boot: function () {
-	    World.updateRoutes(this.subscriptions());
-	},
-	subscriptions: function () {
-	    return [sub(["jQuery", "#searchBox", "input", __]),
-		    sub(["fieldContents", __, __], 0, 1),
-		    pub(["highlight", this.highlight])];
-	},
-	search: function () {
-	    var searchtext = $("#searchBox")[0].value;
-	    var oldHighlight = this.highlight;
-	    if (searchtext) {
-		var pos = this.fieldContents.indexOf(searchtext);
-		this.highlight = (pos !== -1) && [pos, pos + searchtext.length];
-	    } else {
-		this.highlight = false;
-	    }
-	    if (JSON.stringify(oldHighlight) !== JSON.stringify(this.highlight)) {
-		World.updateRoutes(this.subscriptions());
-	    }
-	},
-	handleEvent: function (e) {
-	    switch (e.type) {
-	    case "routes":
-		var fc = Route.matcherKeys(e.gestalt.project(this.fieldContentsSpec, true));
-		if (fc.length > 0) {
-		    this.fieldContents = fc[0][0];
-		}
-		this.search();
-		break;
-	    case "message":
-		if (e.message[0] === "jQuery") { // it's a search box input event
-		    this.search();
-		}
-	    }
+    World.spawn(new Actor(function () {
+      var self = this;
+      self.fieldContents = "";
+      self.highlight = false;
+
+      Actor.advertise(
+	function () { return ["highlight", self.highlight]; });
+
+      Actor.subscribe(
+	function () { return ["jQuery", "#searchBox", "input", _$("event")]; },
+	search);
+
+      Actor.observeAdvertisers(
+	function () { return ["fieldContents", _$("text"), _$("pos")]; },
+	{ singleton: "field" },
+	function () {
+	  self.fieldContents = self.field ? self.field.text : "";
+	  search();
+	});
+
+      function search() {
+	var searchtext = $("#searchBox")[0].value;
+	var oldHighlight = self.highlight;
+	if (searchtext) {
+	  var pos = self.fieldContents.indexOf(searchtext);
+	  self.highlight = (pos !== -1) && [pos, pos + searchtext.length];
+	} else {
+	  self.highlight = false;
 	}
-    });
+	if (JSON.stringify(oldHighlight) !== JSON.stringify(self.highlight)) {
+	  self.updateRoutes();
+	}
+      }
+    }));
 }
 
 ///////////////////////////////////////////////////////////////////////////