After you have written your post, scroll down to the area titled Custom Fields.

你写了文章后，下拉到标题为自定义区的区域。

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In Microsoft Internet Explorer 5 select Tools, Internet Options, choose the Security tab, and then click the Custom Level button and scroll down to Cookies to locate the settings.

CNN: Guard your online privacy

When we met with the company last January, it had never publicly shown off its eye-tracking Gaze UI, which allowed us to navigate, zoom, select and scroll on a custom Windows 8 laptop with just our pupils and a touchpad.

ENGADGET: Hands-on with Tobii REX, a peripheral that brings eye-tracking to any Windows 8 PC (video)

Scroll down to "Custom, " and from there you can block specific people from seeing your Timeline post, and consequently littering it with inane comments.

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