Google, Inc.
https://policies.google.com/privacy?hl=pl

Facebook, Inc.
https://www.facebook.com/privacy/explanation

Twitter, Inc.
https://twitter.com/en/privacy

LinkedIn Corp.
https://www.linkedin.com/legal/privacy-policy?_l=pl_PL

home.pl S.A.
https://regulaminy.home.pl/Polityka-prywatnosci-home.pl.pdf

Digitalocean.com

https://www.digitalocean.com/legal/privacy-policy/