startup

Wired -Tiny Slice, Big Market ：

I define a meganiche as a thin slice of the Web that nonetheless represents roughly a million users. The meganiche is something new, and it will have a lasting impact on online business and culture.
...
That was when 36 million people were online. Now that more than a billion people have access to the Web, there is no longer a trade-off between size and specificity.

十億上網人口的0.1％ = 1百萬。聽起來不錯，但是做生意有算算術這麼單純就好了。