This visualisation grabs the titles of the latest articles in the Guardian's Global Development section via the Guardian's Content API. It also makes use of Tom MacWright's D3 JSONP plugin.
I started with reference to Mike Bostock's General Update Pattern in D3. I accomplished a similar effect in a different way by using setInterval() to remove the SVG text from the DOM and call a draw() function.
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<head>
<meta charset="utf-8">
<title>Latest Guardian Global Development Articles</title>
<script src="d3.v3.js"></script>
<script src="d3.jsonp.js"></script>
<link rel="stylesheet" href="style.css">
</head>
<body>
<article></article>
<script src="vis.js"></script>
</body>