A map of GISDev participants, based on the excellent work of Marc Neuwirth.
xxxxxxxxxx
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css">
</head>
<body>
<svg id="defs">
<defs>
<linearGradient id="gradBlue" x1="0%" y1="0%" x2="100%" y2="0%">
<stop offset="0%" style="stop-color:#005C99;stop-opacity:1" />
<stop offset="100%" style="stop-color:#0099FF;stop-opacity:1" />
</linearGradient>
<filter id="glow">
<feColorMatrix type="matrix"
values=
"0 0 0 0 0
0 0 0 0.9 0
0 0 0 0.9 0
0 0 0 1 0"/>
<feGaussianBlur stdDeviation="5.5" result="coloredBlur"/>
<feMerge>
<feMergeNode in="coloredBlur"/>
<feMergeNode in="SourceGraphic"/>
</feMerge>
</filter>
</defs>
</svg>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="d3.custom.js"></script>
<script src="script.js"></script>
</body>
</html>
https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js