diff --git a/web/ons-demo/RELEASE_NOTES.txt b/web/ons-demo/RELEASE_NOTES.txt
index 90af6d1..08e6ba0 100644
--- a/web/ons-demo/RELEASE_NOTES.txt
+++ b/web/ons-demo/RELEASE_NOTES.txt
@@ -1,4 +1,8 @@
 ** April 4, 2013 **
+- denser iperf display
+- don't pop alert on command error response. just log it
+
+** April 4, 2013 **
 iperf display implemented
 - scaled to 50,000,000
 - update rate is every 2s
diff --git a/web/ons-demo/js/app.js b/web/ons-demo/js/app.js
index d6fa983..6176c3a 100644
--- a/web/ons-demo/js/app.js
+++ b/web/ons-demo/js/app.js
@@ -261,17 +261,18 @@
 	var duration = 10000; // seconds
 	var interval = 100; // ms. this is defined by the server
 	var updateRate = 2000; // ms
+	var pointsToDisplay = 1000;
 
 	function makePoints() {
 		var pts = [];
 		var i;
-		for (i=0; i < 100; ++i) {
+		for (i=0; i < pointsToDisplay; ++i) {
 			var sample = flow.iperfData.samples[i];
 			var height = 32 * sample/50000000;
 			if (height > 32)
 				height = 32;
 			pts.push({
-				x: i * 1000/99,
+				x: i * 1000/(pointsToDisplay-1),
 				y: 32 - height
 			})
 		}
@@ -283,7 +284,7 @@
 		startIPerf(flow, duration, updateRate/interval);
 		flow.iperfDisplayInterval = setInterval(function () {
 			if (flow.iperfData) {
-				while (flow.iperfData.samples.length < 100) {
+				while (flow.iperfData.samples.length < pointsToDisplay) {
 					flow.iperfData.samples.push(0);
 				}
 				var iperfPath = d3.select(document.getElementById(makeSelectedFlowKey(flow))).select('path');
@@ -301,7 +302,7 @@
 							samples: []
 						};
 						var i;
-						for (i = 0; i < 100; ++i) {
+						for (i = 0; i < pointsToDisplay; ++i) {
 							flow.iperfData.samples.push(0);
 						}
 					}
diff --git a/web/ons-demo/js/controller.js b/web/ons-demo/js/controller.js
index c7c80ec..a6c7843 100644
--- a/web/ons-demo/js/controller.js
+++ b/web/ons-demo/js/controller.js
@@ -3,7 +3,7 @@
 function callURL(url, cb) {
 	d3.text(url, function (error, result) {
 		if (error) {
-			alert(url + ' : ' + error.status);
+			console.log(url + ' : ' + error.status);
 		} else {
 			if (cb) {
 				cb(result);