Emotional intelligence is the ability to identify and manage your own emotions and the emotions of others. I think highly of EI. People’s emotions plays a important role on the efficiency of work. For example, If you have bad mood, you might have less passion for you work. Moreover, you have Great EI also means you have the capability to identify the emotions of others, it is a huge advantages for sale. Since when you design a product, you can identify the buyer’s emotional request for the product. For instance, when you buy a cup, you might not buy the cup just because it is a tool for drinking water, you buy it because you like Elsa (one of the character from Disney animation) and their is the image of the Elsa on the cup. Or you buy it because one of famous actor are using it.