Most marketers know that "20 percent of buyers consume 80 percent of product volume." If you could identify that key 20 percent and find others like them, you could sell much more product with much less effort.
The "heavy users" of your product can be thought of as a market "niche" that you should attempt to dominate. Niche marketing today means targeting, communicating with, selling, and obtaining feedback on the heaviest users of your business's products...