互联网以其丰富的内容、广泛的服务和方便的接入,已经成为我们工作、生活、学习中不可或缺的平台和助手。截至2014年底,全球互联网用户已达到30亿,占世界人口的40%左右;全球已有超过100亿个链接设备实现互联互通,预计到2020年的时候,每个人被连接的设备数量会达到1000多个;全球网站数量已突破10亿大关,并且还在急速增加当中。同时,互联网在经济生活中的地位也越来越重要,2014年中国电子商务交易额超过12万亿元,同比增长超过20%;全年网络零售额超过2.7万亿元,同比增长超过40%。万物互联时代已经到来。 With its rich content, extensive service and convenient access, the Internet has become an indispensable platform and assistant in our work, life and study. As of the end of 2014, the number of Internet users in the world has reached 3 billion, accounting for about 40% of the world’s population. Over 10 billion linked devices are interconnected globally, and it is estimated that by 2020, the number of connected devices per person will reach 1,000 Many; the number of global sites has exceeded 1 billion mark, and is still rapidly increasing. At the same time, the Internet’s position in economic life is also becoming more and more important. In 2014, the transaction volume of e-commerce in China exceeded 12 trillion yuan, up more than 20% over the same period of last year. The online retail sales in the whole year exceeded 2.7 trillion yuan, up by more than 40% . All-Internet era has arrived.