Mindrift is seeking Flemish/Dutch native speakers who grew up in Belgium and currently live in New York City for a 3-day, in-person study in Midtown Manhattan. Participants will walk researchers through their daily smartphone and app usage to help improve digital tools for Dutch speakers. Candidates must be 18 or older, have used a smartphone for at least 3 years, be comfortable in English, and not be employed by a tech or AI company.