a href=”http://wherearewegoingwaltwhitman.rietveldacademie.nl/wp-content/uploads/2013/03/upside_down-1.jpg”>upside_down-1

The tipping point ? metaphore

thetippingpoint_1

The Tipping Point: How Little Things Can Make a Big Difference, a book by Malcolm Gladwell

a href=”http://wherearewegoingwaltwhitman.rietveldacademie.nl/wp-content/uploads/2013/03/3gd.jpg”>3gd

The Three Gorges Dam