So you can log into this, not only chat with this interactively, but on the right-hand side here, which is just a wallpaper right now, you can actually grant us view or control of your own screen.

所以你可以登录进去，不仅仅是,相互间的聊天，在这里的右手边，这只是一张壁纸，你可以允许我们查看或者控制你的屏幕。

哈佛公开课 - 计算机科学课程节选