Ever wondered how million dollar enterprises evolved and made it really big? They initially target their market. They try to dominate the whole market by the process of segmentation. Its called divide and rule method.
Consider the whole market as a pie, you now divide the entire pie into number of small slices and then target and dominate each of them, when you gradually succeed in that you would have eaten the whole pie or dominated the entire market.
This is how the big internet...