According to DVD commentary tracks often cited in Archive discussions, roughly 75% of the film was based on the real-life experiences of Neustadter, particularly a breakup with a girl named Jenny Beckman.
Given that 500 Days of Summer is frequently caught in licensing purgatory (moving from Fox to Disney to various boutique services), the Archive often serves as the only free, accessible outlet for fans in developing nations or students writing term papers on deconstructing romantic tropes. 500 Days Of Summer Internet Archive
(500) days of summer : the shooting script : Neustadter, Scott According to DVD commentary tracks often cited in
Using a split-screen technique that contrasts expectation vs. reality, the film follows Tom Hansen (Joseph Gordon-Levitt) as he recounts the rise and fall of his relationship with the enigmatic Summer Finn (Zooey Deschanel). It is a chronological mess, jumping from Day 1 to Day 154 to Day 488, forcing the viewer to piece together where things went wrong. reality, the film follows Tom Hansen (Joseph Gordon-Levitt)
: Several independent creators have uploaded analytical video essays to the archive, exploring the film's themes of expectations vs. reality and its impact on the romantic comedy genre.