When the film debuted in 2009, many viewers initially sympathized entirely with Tom Hansen (Gordon-Levitt), viewing Summer Finn (Deschanel) as a cold, heartless "Manic Pixie Dream Girl" who broke a good guy's heart. Tom’s hopeless romanticism was seen as noble, and Summer's upfront boundaries were often ignored by the audience.
Instead, you'll find a different type of treasure. The primary result you'll encounter is actually an archive of Wikipedia pages about the film. 500 Days Of Summer Internet Archive