Google(谷歌)收购YouTube和DoubleClick,雅虎杨志远再度出山,分众传媒并购好耶,新浪与谷歌合作,微软将收购网络广告公司aQuantive……一系列的并购、合作事件,使得互联网间的门派竞争愈加扑朔迷离。当互联网从美国国防部的一个名为“Arpanet”的网络开始,经过三十几年的发展,引发各行业的变革,这些变革随着互联网的技术发展进一步深入。同时互联网行业也步入而立之年,形成了搜索、门户、社区、视频、游戏、 Google to buy YouTube and DoubleClick, Yahoo Yang Zhiyuan out of the mountains, Focus Media Merger Goodyear, Sina and Google, Microsoft will buy online advertising company aQuantive ...... A series of mergers and acquisitions, cooperation, making the Internet sectarian competition more complicated and confusing . When the Internet started with a network called “Arpanet ” of the U.S. Department of Defense, after more than three decades of development, it led to changes in various industries. These changes have deepened with the development of the Internet technology. At the same time the Internet industry has also entered the age of thirty, forming a search, portal, community, video, games,