Meta didn't answer emailed questions for this article, but provided the following statement: "We are in discussions with Google to address a potential miscommunication regarding the application of their policies. Upon becoming aware of the concerns, we decided to pause the feature while we work with Google to resolve the issue."

In an email, Yandex said it was discontinuing the practice and was also in touch with Google.

"Yandex strictly complies with data protection standards and does not de-anonymize user data," the statement added. "The feature in question does not collect any sensitive information and is solely intended to improve personalization within our apps."

Очередное недоразумение от компаний, весь бизнес которых заключается в том, чтобы использовать как можно больше недоразумений для таргетирования рекламы.

Было бы любопытно узнать за сколько дней до публикация этого расследования Гугл устранил недоразумения в своих трэкерах.