Wolfie Christl Profile picture
Public-interest researcher | Tech+society. Tracking, surveillance, consumer data, platform power, algorithmic decisions, data at work | @wchr@mastodon.social

Apr 4, 2022, 6 tweets

"You don't give us any data. We don't give anyone your data. We connect data without sharing it" ...magic!
hello.infosum.com/hubfs/Webinar/…

Personal data laundering via 'clean rooms'

The claimed thresholds and limits don't do much, noise could help in theory. But first, I don't buy it. Second, what is it about? Reducing already bad match rates by another 1%? And third, senders/recipients still process extensive personal data co-controlled by the 'clean room'.

'Virtual' identity match.

hello.infosum.com/hubfs/ecosyste…

'Virtual' household matching via a 'virtual' household mapping file. Perhaps even the IDs and IPs and timestamps are very virtual, too? #personaldata #laundering

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