. >> bergen goldfield, president and ce of trinet, which provides payroll benefits and hr functions for small businesses share the differences between building a company you hope to sell and building one you hope to keep running independently. >> value is what a ceo perceives that his company is worth and month importantly what he is trying to accomplish or she. valuation is what some outside person or investor or the market believes your company is worth. and there are two different thing in my mind. creating an enduring company allows you to think or act in a way that's appropriate for your market. and there's nothing with building a company to sell it. but there's something exciting about building a company that will last for a very long time. >> charles wang, founder of green throttle games better known as the popular game guitar hero, talked about how technology has made it much easier for companies to test the markets that they hope to disrupt. >> when were we making guitar hero, that was is.75 million for a console game, playstation game, which is laughable small for that. now yo