Those innocent-looking F buttons from { -brand-name-facebook } track your web activity, even if you don’t have an account. { -brand-name-facebook-container } blocks them.
即使您没有 { -brand-name-facebook } 账户，那些看上去不起眼的 F 按钮也会跟踪您的网络活动。而 { -brand-name-facebook-container } 可以拦截它们。