Unlike free VPNs or proxy sites, which may pay for their servers by spying on you and selling your information, { -brand-name-mozilla } does not keep records of where you go and what you do.
免费的 VPN 和代理网站可能会通过监视和出售信息来维持服务器开支，而 { -brand-name-mozilla } 绝不会记录您访问过哪些网站、做了什么事情。