Mozilla has announced a study where Firefox will promote the ProtonVPN service as a new revenue source. BleepingComputer was able to gain access to the study’s extension and it appears that the ProtonVPN will be recommended when visiting competing VPN providers, streaming services, or when connecting to insecure wireless gateways. […]

from https://www.bleepingcomputer.com/news/software/firefox-targeting-competing-vpn-sites-with-protonvpn-offer-in-new-test/