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什么是1%规律？
这是一个根据统计得出的大致规律：100个在线的群体中，有一个人创建内容，10个人参加互动（讨论或提出建议），剩下的89个人只是在旁观。
在著名视频点播网站YouTube上就可以看到这个规律，这个网站只花了18个月的时间就占据了60％的在线视频点播市场。
统计数据如下：每天有1亿次下载和65000次上传（来自Antony Mayfield的数据），也就是说每1538次下载才会有一次上传。每个月访问的独立用户有2000万。
上传者在下载者中所占的比例为0.5%，但注意这只是该网站的上升时期；并不是所有人都知道YouTube（况且人们可以从任何网页中嵌入YouTube的视频下载链接，下载比上传容易的多）。
另一个社区形式的互动内容创作平台，Wikipedia的数据：50％的维基页面由0.7％的用户编辑，超过70％的页面只被1.8％的用户编辑过内容（来自Church of the Customer的数据）。
早期的相关数据表明80％的站点数据由20％的用户创建，但在如今这一比例正在逐渐降低。那些Web2.0团队们需要思索一些问题了。实际上，一个过多追求互动体验和由用户创建的内容的网站将会看到10个人里9个人基本都是匆匆过客。
雅虎的Bradley Horowitz指出雅虎存在着相同的问题：在雅虎社区（Yahoo Group）里，1％的用户创建了讨论组；10％的用户活跃在互相讨论、发起新主题中；100％的用户从以上这批活跃用户那里获取信息。
原文：
What is the 1% rule?
Charles Arthur
Thursday July 20, 2006
The Guardian
It’s an emerging rule of thumb that suggests that if you get a group of 100 people online then one will create content, 10 will “interact“ with it (commenting or offering improvements) and the other 89 will just view it.
It’s a meme that emerges strongly in statistics from YouTube, which in just 18 months has gone from zero to 60% of all online video viewing.
The numbers are revealing: each day there are 100 million downloads and 65,000 uploads - which as Antony Mayfield (at http://open.typepad.com/open) points out, is 1,538 downloads per upload - and 20m unique users per month.
That puts the “creator to consumer“ ratio at just 0.5%, but it’s early days yet; not everyone has discovered YouTube (and it does make downloading much easier than uploading, because any web page can host a YouTube link).
Consider, too, some statistics from that other community content generation project, Wikipedia: 50% of all Wikipedia article edits are done by 0.7% of users, and more than 70% of all articles have been written by just 1.8% of all users, according to the Church of the Customer blog (http://customerevangelists.typepad.com/blog/).
Earlier metrics garnered from community sites suggested that about 80% of content was produced by 20% of the users, but the growing number of data points is creating a clearer picture of how Web 2.0 groups need to think. For instance, a site that demands too much interaction and content generation from users will see nine out of 10 people just pass by.
Bradley Horowitz of Yahoo points out that much the same applies at Yahoo: in Yahoo Groups, the discussion lists, “1% of the user population might start a group; 10% of the user population might participate actively, and actually author content, whether starting a thread or responding to a thread-in-progress; 100% of the user population benefits from the activities of the above groups,“ he noted on his blog (www.elatable.com/blog/?p=5) in February.
So what’s the conclusion? Only that you shouldn’t expect too much online. Certainly, to echo Field of Dreams, if you build it, they will come. The trouble, as in real life, is finding the builders.
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