The award-winning 2009 independent film 500 Days of Summer is a romance that paired Zooey Deschanel and Joseph Gordon-Levitt. What could be cuter than that? Despite the star power, the narrative is experimental, and it worked. If you liked 500 Days of Summer, you'll want to learn more about it.
6. One of the screenwriters claimed that three-quarters of the movie is about stuff that actually happened to him.
It seems reasonable to think that screenwriters will add in something from their own experience every once in a while just to spice things up.
5. The coloring and mood tend to change in accordance with how each day is going.
For good days the mood would be upbeat and the colors would be bright, for bad days it would be opposite and everything would look a bit dreary.
Be warned that there are spoilers in the trivia list, but otherwise you'll want to read 10 Things You Didn’t Know about 500 Days of Summer.