All business is a niche business. Startups must put a conscious focus on segmenting their market to a small but sustainable size. I have emphasized the signific

All business is a niche business. Startups must put a conscious focus on segmenting their market to a small but sustainable size. I have emphasized the significance of this in my earlier articles: http://www.readwriteweb.com/archives/6_startup_lessons_2007.php http://m4th.com/Articles/Article.php?Article-Title=Anatomy-of-a-Successful-Social-Network