Steven Johnson: A guided tour of the Ghost Map<br><br><a href="http://www.ted.org/index.php/talks/steven_johnson_tours_the_ghost_map.html">http://www.ted.org/index.php/talks/steven_johnson_tours_the_ghost_map.html</a><br><br>
TED Talks <a href="http://www.ted.org/">http://www.ted.org/</a><br clear="all"><br>-- <br><a href="http://thusbeginstheweb.blogspot.com/">http://thusbeginstheweb.blogspot.com/</a><br>