Miranda Wei

TL;DR: Many targeting mechanisms ignored by prior work — including advertiser-uploaded lists of specific users, lookalike audiences, and retargeting campaigns — are widely used on Twitter and participants found these understudied practices among the most privacy invasive.

TL;DR: The findings suggest that the primary user-related challenge for E2E encrypted tools may no longer be adoption, but helping users who already have these tools avoid sending sensitive information over less secure channels.

TL;DR: It is found that browsers» disclosures fail to correct the majority of the misconceptions the authors tested, and participants who saw certain disclosures were more likely to have misconceptions about private browsing»s impact on targeted advertising, the persistence of lists of downloaded files, and tracking by ISPs, employers, and governments.

TL;DR: The results relative to the privacy paradox, contextual integrity, and power dynamics in crowdworker platforms are unpacked.