The importance of a friend chain

We all know that the exchange of friends today to help increase the weight of the site, then the exchange of friends in the true meaning of the chain! Similar to the U.S. recommendation of the President, a website A and a website B joined the campaign, and B also pulled 9 votes when a extracted 10 votes. Then A is the president. The site's friends are similar to the chain, if a site to extract a lot of sites to vote, then the weight of this site will be very high.

Because of the withdrawal of a lot of people's support, of course, if the 10 votes inside a few authoritative people to vote for you, this person's prestige will be higher. Therefore, the website is also consistent. It's best to vote for a website with a high weight. But a lot of high weight websites aren't like voting for you, so you need to attract more people to vote for you. If there is a lot of even Pr0 website to give you a one-way vote. So your weight is not more than a few high weight of the site vote bad?

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