Testing Gmail’s tab choices on presidential candidates’ emails

February 28, 2020

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For many, Gmail automatically categorizes incoming emails to the primary inbox, promotions, and spam. The Markup and The Guardian tested the categorization on presidential candidate emails:

Their results:

I don’t use Gmail, and I don’t get any of these emails, but I’m curious how these candidate emails differ. Does Buttigieg write more personal messages whereas Sanders’ is more like an advertisement?