The three main observactions - (1) the tail of available variety is far longer than we realize; (2) it's now within reach economically; (3) all those niches, when aggregated, can make up a significant market - seemed indisputable, especially baked up with heretofore unseen data.
Chris Anderson, The Long Tail: Why the Future of Business is Selling Less of More
business-strategy, marketing, sales, the-long-tail