How to find best business opportunity

Approach One: Existing Website Technology + New Idea/New Business Model
Analysis:
1. For this approach, it will be challenging to find new ideas and new business models, because there are so many people in this space.

Approach Two: Mobile and Website Technology + New Idea/New Business Model
Analysis:
1. For this approach, it still have a chance in mobile space, but the big wave has already passed. Innovation has to be done harder in New Idea/New Business Model.

Approach Three: Mobile/Website/API Technology + New Idea/New Business model
Analysis:
1. For this approach, it will use API to build SaaS applications, integrating with different api platforms, such as Facebook, Google to explore new opportunity.