USPS verfolgt Berichten zufolge die Social-Media-Beiträge der Amerikaner
https://web.archive.org/web/20210422170453/https://nypost.com/2021/04/22/usps-reportedly-tracking-americans-social-media-posts/
https://web.archive.org/web/20210422170453/https://nypost.com/2021/04/22/usps-reportedly-tracking-americans-social-media-posts/