A note to the reader: I don't know why most blog posts are written like you are stupid. You are not stupid, I won't write like you are. You are building a startup, I assume you are blindly a workaholic, unabashedly a dreamer, and eager to make an impact.
Search engines ask users to weed through a pile of garbage. Search engines are 2005, and if your startup requires your users to search, STOP. Let's look at why.