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A master's thesis from Aalborg University
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DataCrumb: A Tangible Approach to Visualizing Cookie Data

Authors

; ;

Term

4. Term

Publication year

2025

Submitted on

Pages

14

Abstract

De fleste klikker blot “acceptér cookies” og efterlader spor af persondata. Mængden af information i cookie-bannere og -politikker gør det svært at forstå og styre egne data, hvilket ofte skaber afmagt og afstand. For at afhjælpe dette udviklede vi DataCrumb: en fysisk prototype, der gør datadeling konkret og synlig via lys, lyde og en skærm. Vores forundersøgelse pegede på to centrale udfordringer: privatlivsparadokset (man værdsætter privatliv, men deler alligevel data for at få adgang eller bekvemmelighed) og privacy-træthed (man bliver udmattet af mange komplekse valg og advarsler). DataCrumb er designet til at øge bevidstheden og få brugere til at reflektere over den datadeling, der sker i hverdagsbrug af nettet. Vi evaluerede prototypen i tre trin: et forinterview, en test i hjemmet og et efterinterview. Resultaterne viser, at DataCrumb øgede deltagernes opmærksomhed på brugen af data og cookies og fik dem til at reflektere mere over deres onlineadfærd.

Many people simply click “accept cookies,” leaving traces of personal data. The sheer volume of information in cookie banners and policies makes it hard to understand and manage one’s data, often causing feelings of helplessness and disengagement. To address this, we developed DataCrumb: a tangible, physical prototype that makes data sharing visible and concrete through lights, sounds, and a display. Our background research highlighted two challenges: the privacy paradox (valuing privacy yet still sharing data for access or convenience) and privacy fatigue (feeling overwhelmed by frequent, complex choices and warnings). DataCrumb is designed to increase awareness and prompt reflection on the data sharing that occurs during everyday online activities. We evaluated the prototype in three parts: a pre-interview, an in-home testing session, and a post-interview. The results show that DataCrumb raised participants’ awareness of data and cookie use and encouraged deeper reflection on their online behavior.

[This summary has been rewritten with the help of AI based on the project's original abstract]