document: {"document":{"title":"na","text":"Additionally, some Smithsonian Websites may use the Demographics and Interest reporting feature for Google Analytics for Display Advertising. The data provided by this service (such as age, gender, and interests) is used to better understand visitors to these Websites and customize our Websites to our users' interest. You may opt-out of Google Analytics for Display Advertising by visiting Ad Settings. ","paragraphs":null,"sentences":null,"language":null},"classifications":[{"level":"document-Union","labels":["First Party Collection/Use","Third Party Sharing/Collection"],"label_definitions":null}]}