did-you-kno:Diamonds are neither rare, nor valuable. In one of the most successful ad campaigns of all time, De Beers claimed men should spend one month’s salary on a diamond ring. Then they raised their prices, restricted their supply, and created

did-you-kno:Diamonds are neither rare, nor valuable. In one of the most successful ad campaigns of all time, De Beers claimed men should spend one month’s salary on a diamond ring. Then they raised their prices, restricted their supply, and created

tags: ,

from: https://yindy.tumblr.com/post/140312274398