We can also look at things like allowing people to encrypt data that they upload, so it's kind of invisible and worthless to sites like Facebook or third party services that access it, but that select users who the person who posted it want to see it have access to see it.
我们也可以探究一些别的，例如 让人们去给上传的东西加密， 那么像面谱网这样的网站 或其他能获取信息的第三方来说 这些信息就隐秘很多，也少了很多意义， 而且只有上传人指定的用户 才有浏览的权限。 从智能的角度来看，