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如果你还不在“云”里，你就out了。过去几年间，“云计算”这个术语蓬勃发展，成为了继“网络2.0”之后最时髦的技术名词。不管你是否了解这个晦涩的科技术语，云计算都让我们的生活方式发生了巨大改变：不管是个人还是组织，都把它看做是信息技术的一次革命。
吕哲 选编
What is Cloud computing?
Modern computing in the age of the Internet is quite a strange, remarkable thing. As you sit hunched over1 your laptop at home watching a YouTube video or using a search engine, you’re actually plugging into2 the collective power of thousands of computers that serve all this information to you from far-away rooms distributed around the world. It’s almost like having a massive supercomputer at your beck and call3, thanks to the Internet.
现代互联网时代的计算是一件相当神奇并且了不起的事情。当你抱着你的笔记本电脑宅在家里看YouTube视频或使用搜索引擎时，你实际上是调用了分布在世界各地的机房中数量庞大的电脑所拥有的集体力量。
This phenomenon is what we typically refer to as cloud computing. We now read the news, listen to music, shop, watch TV shows and store our files on the web. Some of us live in cities in which nearly every museum, bank, and government office has a website. The end result? We spend less time in lines or on the phone, as these websites allow us to do things like paying bills and making reservations. The movement of many of our daily tasks online enables us to live more fully in the real world.
我们在网络上看新闻，听音乐，购物，看电视，存储文件的现象就是我们通常所说的云计算。这种让我们节省了大量时间的趋势会使得我们在现实世界中的生活更加充实。 | 
