500 Days of Summer - Teaser Trailer

500 days of summer is not the conventional romantic film. Its considered a postmodern film meaning it does not follow the conventional style that most do.
These things include, boy meets girl, they then fall in love. They will them fall out, most of the time because of the boys. He will then have a daring attempt to win her back and eventually will.
However this trailer does a very good job of making you believe that. It also does a very good job of revealing parts of the story line with out showing to much. So it will have to desired advertising affect.