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Web2.0图释集合
日期:2007-07-30 | 分类:鸡毛蒜皮
有位来自法国的朋友收集了一些与Web2.0有关的图片,其中一些很有趣,有些很高深,让我们一起来看一下。

Web1.0 VS Web 2.0 地址:Le Web 2.0 illustré en une seule image

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人人网:Keep it simple (1-3)
日期:2006-05-30 | 分类:鸡毛蒜皮
老牌网站“人人网”(www.renren.com)重新上线后,我第一眼看过去,感觉做得最不错的是它的左侧导航版式。最近yahoo首页也如此改版,所以renren.com可谓暗合了国际潮流,值得赞一下。
但除了这个闪光点,“人人网”从策略、到产品、再到具体页面细节,就我看来――网站运营从宏观到微观三个层面上,“人人网”都有严重的bug。因此我花了一些时间研究,下面就是我的部分观察。
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杨勃:独一无二的“豆瓣”
日期:2006-05-30 | 分类:鸡毛蒜皮
互联网英雄很容易成为被拷贝的对象,一个互联网的新商业模式刚在美国出现,国内很快就会出现数个模仿者。可“豆瓣”在美国没有模板,在国内更是只此一家。从2005年3月至今,由一个人开发、运营的书评、影评、乐评网站“豆瓣网”,已经有12万名注册用户。“现在,很多人都琢磨‘豆瓣’在做什么,等他们明白了,‘豆瓣’可能已经在做别的了。”杨勃对自己“豆瓣”的idea颇为得意。 -

The YouTube Phenomenon - Youtube现象
http://www.youtube.com/
The most popular service for uploading and sharing video files
By: Stefan Caragea, Associate Editor
注:作者从公司概况、受欢迎原因、存在问题以及将来的发展,谈了自己对它的看法,大概翻译了一下
Youtube提供上传(Upload)、观看(View)、分享(Share)视频文件服务,采用流行的Macromedia Flash技术
2005年2月,成立于加利福尼亚的San Mateo,创始人是PayPal的三位工作人员:Chad Hurley(CEO),Steve Chen(CTO)和Jawed Karim(顾问),最新加入的有Roelof Botha(前PayPal的CFO)和风险投资伙伴Sequoia Capital
2005年11月获得第一笔350万美元投资,继而2006年4月又获得800万美元投资;巨额的投资在2006年4月获得了回报,平均每天35000个文件上传量,而每天观看视频片断的数量则达到3000万次
之所以受欢迎与“广播”有很大的关系,如2005年11月“NBC’s Saturday Night Live show”非常受欢迎的“Lazy Sunday”、奥运会以及其他TV Shows
然而也存在问题,主要有两个:一是侵犯版权问题,为此站点采取了包括缩短片段时间、申明版权等在内的一系列措施尽量减少此类违法事件的发生;另一个就是有人利用站点传播淫秽色情内容
当然了,YouTube前途还是很光明的,甚至比起Google的Video也还是很有优势。Free、Share、Friendly都是它成功的标签,也是发展的基础
下面是英文原文及出处
资料来源
英文原文
The YouTube Phenomenon
The most popular service for uploading and sharing video files
By: Stefan Caragea, Associate Editor
When surfing the Internet, I often come across various video clips embedded in web pages. You could say that this is something ordinary, not at all unusual, and has been going on for quite some time, and you’d be perfectly right.
However, as of late, most such clips are placed there by using a system developed by YouTube, a company whose popularity literally skyrocketed within the past year. So, let’s see who’s behind all this and why it is such a huge hit.
YouTube is a website that offers web services for uploading, viewing and sharing video files. The technology used for viewing the clips is a very popular one, namely Macromedia Flash, while the format used is the *.flv, which can be very easily viewed with the help of one of the numerous compatible software players currently available. Moreover, as I’ve mentioned before, the video clips using this format can be very easily embedded in other websites, thus increasing YouTube’s own customer base. However, practically, YouTube is a service which lets the users upload just about any type of video material, representing some sort of crossbreed between the file sharing networks, blogs and social networking websites. Oh, and it’s also free and very user friendly.
YouTube, based in San Mateo, California, has been founded in February 2005 by three ex-members of the initial team which worked on the online payment service PayPal. They are Chad Hurley (Chief Executive Officer), Steve Chen (Chief Technology Officer) and Jawed Karim (adviser), later on joined by Roelof Botha, ex-Chief Finance Officer of PayPal and a partner of the venture capital firm Sequoia Capital, which played a very important part in the development of YouTube. Thus, the venture capital firm invested 3.5 million dollars in November 2005, and another 8 million in April 2006. And it seems that this is an investment which will pay off big time, since just in April 2006, over 35,000 have been uploaded daily on YouTube, the number of clips viewed each day reaching the astounding number of 30 million.
But when did YouTube’s services become so popular? From a historic point of view, it seems that its extraordinary ascension happened thanks to the “broadcasting” (actually, hosting) in December 2005 of the very popular “Lazy Sunday” clip from NBC’s Saturday Night Live show, and continued with other clips from the Olympics or other major TV shows. However, this brought along some trouble for the company, as various producers charged it with copyright infringement. As a result, YouTube, which ever since its first day online, has promoted the upholding of copyrights and has taken some steps towards reducing the number of illegal files uploaded on its servers. The first decision has been to reduce the length of the clips to just 10 minutes, followed by promptly removing any pirated content discovered either by the original rights’ owners or by its own filtering service.
Quite obviously, this is the company’s official stand on the matter. However, as always, users have quite a different idea. Thus, despite the fact that YouTube has imposed all of these terms or use and regulations (in order to avoid any kind of legal problems) there still are relatively numerous loopholes for loading all the content they see fit. The most important of these is the filtering system itself. It is based on the analysis of the search terms associated to each file, and the removal of those videos with dubious names. Also, a team of 4 interns, students from Stanford University, has the job of viewing all those files reported to them by the YouTube community or by other sources.
Obviously, the users have realized quite rapidly that these vulnerabilities can be exploited, and they’ve begun using coded key-words for loading the files, key-words that are known only by a select few.
Another big problem faced by YouTube and by any other past, present or future service of this type is that of pornography. Considering the fact that, after all, any type of video file can be uploaded on the site, including (and especially) those shot with personal camcorders (and, as of a few days ago, also those shot with mobile phones or any other type of handheld device), uploading pornographic content has become very popular among the users. The problem is that, besides the public files, which can be seen by any user, personal files can also be uploaded on YouTube, files which are available by invitation only and are widely used for loading pornographic content.
I was talking earlier about the huge number of people that visits the site on daily basis. Despite its success, YouTube has begun posting ads on the site only since March 2006, which means that up until now (and the situation hasn’t probably changed very much), the site has survived solely on the injections of capital received from some major venture capitalists. That is why many analysts have expressed their distrust in the business model promoted by the company, especially since the estimate monthly costs just for bandwidth are around 1 million dollars.
However, considering its level of popularity, YouTube seems to have a very bright future ahead, even more so than the similar services from well-established Internet companies, as for example Google Video. And, after all, why shouldn’t it, as it has all the necessary ingredients in the recipe for success: it’s free, allows “almost” free video file sharing, and it’s user friendly. I do believe that no one could ask for more from such a service.
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