Mindrift is seeking native French speakers residing in New York City for a paid, in-person research study examining smartphone and app usage across cultures. Participants must be at least 18 years old, have grown up in France, be comfortable communicating in English, and be available for three consecutive days in Midtown Manhattan. The study pays $100 per hour (up to $2,400 total) to walk researchers through daily phone habits and complete a short questionnaire.