A few days ago, a friend discussed an issue with me on MSN. He used his habitual online nickname as a search keyword. If it's a relatively obscure name, through personal hard work in maintenance, whether by writing blogs or actively participating in interactive forums or other types of websites by posting articles or replies, the search result list will almost exclusively show your own information. This friend was almost like that too, but he discovered that the second and fourth ranked results were not his, but rather the websites of the two people who had left comments on his blog. Moreover, these websites clearly did not align with his taste...