silversurfer

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Netflix keeps a record all of your Bandersnatch choice data from its Black Mirror choose-your-own-adventure film, a technology policy researcher has discovered. The researcher, Michael Veale, obtained his viewing data after emailing Netflix to request it under GDPR’s right of access rules. Motherboard reports that Veale’s aim was to use the experiment to educate people about how to use the law to request their data, and to encourage companies to make it more readily available.

Although it’s unsurprising that Netflix knows which choices each user made during its interactive film, Veale used the experiment to highlight that the streaming service never asks for permission to store your choices. Netflix told the researcher that it stores the data to “inform the personalised recommendations you see in future visits” as well as to help it, “determine how to improve [Bandersnatch’s] model of storytelling.”
 

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Veale conceded that the data download did a “comparatively good” job at making the data intelligible. After sending Netflix a copy of his passport to confirm his identity, he received two encrypted files: a PDF containing an explanation of the data, and a CSV file containing all his choices. Other companies, as we recently discovered, are not as thorough with their explanations.
Apple, Amazon, Facebook, and Google.