Grassroots NET Why do you collect so fast

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I am not a loyal fan of the grassroots network, write these just to bring out the problem of the discovery for everyone to discuss. Find out why for the majority of the webmaster to provide a train of thought or a reference opportunity. At the grassroots to see the introduction of traffic competition activities can I see when the activity has been to the fourth phase. So I held the attitude of this experiment in the grassroots network sent an article (female naked body photo-the bottom will have a man?) 2008-04-08 22:56:46

At the same time I also in the Tianya blog and Baidu Space each sent a (female bottom nude body picture) content is the same but the title slightly changed article, post time will not want to 30 minutes. But in the next day only the grassroots network included my post, until the article, the other is not included.

My question: The same is the space why the root of the rapid collection? His PR is only 3 Tianya and Baidu Everyone is more clear not to say.

To further verify my point of view, in the grassroots network sent a (garbage station industry station in the future we should choose how to select 2008-04-09 14:42:57) at the same time in the Webmaster Station (garbage station industry station webmaster left or right) and the laggards forum also sent the same post (absolutely original, the content of the same title slightly changed) Today, still only in the grassroots hair of the article was included.

My question: The same as webmaster active place, in fact, grass with the information value is smaller (the weight is also relatively low) why Baidu included instead faster?

I hope the people who know