Zero to Sold - 詳細的定義你的潛在用戶樣貌

The better you define your niche market, the more confident you can be in your numbers. “People who like fantasy football” may be a vague definition that doesn’t give you much to work with. “People who logged into one of the three most popular fantasy football websites over the last three months” will yield more actionable numbers.

如果你能夠更精準的定義你的小眾市場，那你就能更有自信的算出你有多少潛在用戶。
舉例來說，我的潛在用戶是喜歡 Fantasy football 的人，這是個模糊的定義；更精準的定義是：
我的潛在用戶是在過去三個月內曾經登入過前三大 fantasy football 網站的人。