How To Make a Market

big enough for ya?

The power of words and images to persuade and even change behavior is undeniable. Appeal to people's competitive streak and anything's possible. Witness the De Beers engagement-ring strategy of the mid-1900s and its results: Before the 1930s, very few even wore engagement rings. Ten years later, only about 10% of such rings contained diamonds. By the end of the 1900s, 80% did and, for some, the bigger the better: http://www.bbc.com/news/magazine-27371208