Social networking began several years ago began to be developed as a means for people to make friends and keep in touch with others with similar interests through the Internet as well as network sales business online. Over time he became an excellent way for companies to take advantage and connect with people directly.
Basically this is a viral marketing is very fast and effective. This is ideal for those who have a good reputation and not so great for others.
The success of social networks marketing has been successful in targeting and providing the right product at the right market.