Build a Website

We are in need of a UNIQUE website concept/business concept that will fulfill our needs to build an online business that has the potential to go viral. The idea/concept has to clear, precised and easy to understand. The concept should be something that is loved by majority of the masses or a concept that can be shared and viewed among all web traffic including social media. A concept that will flow well with both genders. We want that concept to formatted on a website. Concept should be feasible enough to make a website on it. We're open to great ideas and suggestions. Concept only.