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Web Transparency AT Princeton

Web Transparency AT Princeton. PRESENTER: Christian Eubank PAPER: Shining the Floodlights on Mobile Web Tracking [E., Melara , Perez- Botero , Narayanan]. Original Motivation. Mobile tracking knowledge vacuum Mobile devices are everywhere Perceived measurement difficulty.

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Web Transparency AT Princeton

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  1. Web TransparencyAT Princeton PRESENTER: Christian Eubank PAPER: Shining the Floodlights on Mobile Web Tracking [E., Melara, Perez-Botero, Narayanan]

  2. Original Motivation • Mobile tracking knowledge vacuum • Mobile devices are everywhere • Perceived measurement difficulty

  3. Guiding Questions • How do companies track mobile devices differently? • What about tablets? • Physical v. emulated devices?

  4. Our Approach • Data collection via FourthParty • FP Database Schema • Mixture of manual/automated analysis

  5. Mobile JavaScript crawler • Originally considered: • Future: desktop crawls with Selenium

  6. Findings: Few Mobile-Only Networks • Otherwise, .mobile and m. addresses

  7. Findings: Devices Roughly Similar

  8. Findings: Cookie Longevity

  9. Growing Cookies: yieldmanager’sbh

  10. Growing Cookies: Takeaways • Third parties storing on client • Placed by 8% of desktop third parties • Possible growing cookie library

  11. Next Steps • Continued Cookie Analysis • Deeper Crawls • Exploring rich data from FourthParty • Our data open to other researchers

  12. Automated Framework WWW DATA Controller

  13. Overarching Goals • Keep public informed • Help to shape policy • Promote web transparency • Individual case studies under umbrella of web transparency

  14. Leveraging our infrastructure • Automatic social media interaction • Detecting cookie synchronization

  15. Conclusion • Need for web transparency • Currently building measurement tool • We invite collaboration

  16. QUESTIONS?

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