Google released its list of the most searched people of 2013 on Tuesday, and not surprisingly, Miley Cyrus received the coveted No. 1 spot.
If first person is someone telling you his or her story, and second person is you being told how you should do something, then third person is more like a camera recording events. That's not to say it's necessarily an objective point of view. A third person narrator can be highly subjective.
Third Person and First Person are by far the most common point of view styles in novels. In poetry, it's first person, then second. O mniscient third person is a fairly distanced viewpoint where the narrator hovers above the action, shifting from one character and place to another.