title: 3D sphere tag cloud
body: <p>Does anyone know how to achieve a 3D sphere tag cloud, like on this site:</p>
  
  <p><a href="http://krypted.com/" rel="noreferrer">http://krypted.com/</a></p>
  
  <p>Is there a Javascript library that can easily do this, or was it most likely written by hand?</p>