How Public Is My Private Life? Privacy in Online Dating Camille Cobb Tadayoshi Kohno University of Washington University of Washington
[email protected] [email protected] ABSTRACT with the goals of most permissions models. Recent high- Online dating services let users expand their dating pool profile events demonstrate that privacy issues in online dat- beyond their social network and specify important charac- ing deserve additional attention. For example, during the teristics of potential partners. To assess compatibility, users Rio Olympics, a Tinder user took screenshots of Olympians' share personal information | e.g., identifying details or sen- profiles and posted them publicly on social media [9]; sub- sitive opinions about sexual preferences or worldviews | in sequently, a journalist used Grindr to collect identifying in- profiles or in one-on-one communication. Thus, participat- formation about closeted gay Olympians [29]. ing in online dating poses inherent privacy risks. How peo- Our focus on privacy is multi-fold. First, we seek to under- ple reason about these privacy risks in modern online dating stand users' perceptions about and actions governing their ecosystems has not been extensively studied. We present the privacy. For example, we seek to assess users' level of con- results of a survey we designed to examine privacy-related cern about their own privacy, the reasons for their concern risks, practices, and expectations of people who use or have or lack thereof, and how these concerns manifest in online used online dating, then delve deeper using semi-structured dating behaviors. Additionally, since privacy involves mul- interviews. We additionally analyzed 400 Tinder profiles to tiple actors (the party who has information to share or keep explore how these issues manifest in practice.