Advantages: See how the person is dressed, how they speak, if they are clean, find out personality, etc.
Disadvantages: If you interview badly such as have trouble speaking (stuttering, can't find right words), if you are a nervous person, can't look someone in the eye, personalities clash, don't know what you are interviewing for or what the company is about.
Disadvantages: If you interview badly such as have trouble speaking (stuttering, can't find right words), if you are a nervous person, can't look someone in the eye, personalities clash, don't know what you are interviewing for or what the company is about.