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<a href="http://clustrmaps.com/counter/maps.php?url=http://david-sadler.org" target="_new">ClusterMap</a> of worldwide readership.
<br><a href="http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights2_dmsp_big.jpg" target="_new">Earth Lights</a> showing global population distribution with electricity.
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