US may require foreign tourists to disclose 5 years of social media history
nbcnews.com
nbcnews.com
In addition to social media histories, Customs and Border Protection would add other new data collection fields, including email addresses and telephone numbers used in the last five years, as well as the addresses and names of family members, the notice reads.
Palantir collects data on people and the primary id is email address, I'm guessing?