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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The world does not, of course, need that many people chattering at once, but it may need millions at once fetching different video web pages, and video consumes a lot more bandwidth than phone calls.

FORBES: Wired and restless

For a little more he built an Asterisk system of motion detectors and Web cameras that send video to his office laptop and can call any phone when something happens at his house.

FORBES: Dial D for Disruption

Google stands to benefit significantly if more people start using its services to browse the web over sprawling, free WiFi networks, or make phone and video calls calls via free services Google Voice or Google Hangouts.

FORBES: What Would Happen If America Got Free, 'Nationwide' WiFi? Google Wins, Carriers Lose