Facebook can track your browsing far beyond Facebook.com. Facebook Like and Share buttons, for example, can track where you’ve been — even on pages you never like or share.
Facebook 不仅能跟踪您在 Facebook.com 上的浏览​​行为，更可通过其他各网站上的 Facebook “赞”与“分享”按钮，跟踪您曾经去过哪里。就算没有真正点过赞或分享过也会知晓。