When you view a web page, for example, a copy of the page is loaded into the video memory of your computer (or phone, or iPad) before the device can display it on the screen.

例如当你查看一个网页时，在设备显示内容之前，页面的副本就加载到你的计算机(或手机，或iPad)的内存。

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These take the place of the paper sign in and information cards found next to the gadgets on display, offering customers information and product specs on the computer or phone in question. (Hat tip to 9to5, which first reported these were coming).

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