Companies often tell you that sharing your data is safe because they “anonymize” it by first removing or obfuscating your personal information. However, this depersonalization leads to only partial anonymity, as companies still usually store and share your data grouped together. This data group can be analyzed, and in many cases, then linked back to you, individually, based on its contents….

The only truly anonymized data is no data, so when asked to check boxes to share data “anonymously” — don’t. 

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