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这些网络巨头掀起了数字化革命,为用户带来了利益,并且还推进了言论自由和民主。而在奇迹到来的同时也伴随着担忧。谷歌、苹果、亚马逊、脸谱这四大公司,已经成为当今网络的四大巨头。他们都是非常出色的企业,且其覆盖面积之广泛、影响之深远也是前所未有的。苹果公司已经成为一个资本巨头,其在线商店iTune的虚拟货架上销售音乐和其他数字产品,目前已经有约4.25亿用户在该网站消费;谷歌在全球搜索引擎和在线广告领域的龙头地位无可置疑,与此同时其安卓系统也被诸多上市的智能手机公司所应用;亚马逊在线上零售业和电子书市场中扮演着重要的角
These cyber giants set off a digital revolution that brought benefits to users and also promoted freedom of expression and democracy. And miracles came accompanied by concerns. Google, Apple, Amazon, Facebook these four companies, has become today’s network of the four giants. They are very good business, and its wide area of coverage, far-reaching impact is unprecedented. Apple has become a capital giant selling music and other digital products to its online store iTune’s virtual shelves, which now have about 425 million users on the site; Google’s undisputed leadership in global search engines and online advertising , While its Android system is also being used by many listed smart phone companies; Amazon plays an important role in the online retail and e-book market