Credit: NASA infographic
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For twenty years, the pattern was predictable and universal. Someone needs information, they open Google, they type a query, they scan through ten blue links, they click a few results, they piece together answers from multiple sources. This process trained us to optimize for that journey. We focused on ranking in those ten blue links because that's where traffic came from. The entire SEO industry built around understanding and exploiting that single funnel.，推荐阅读搜狗输入法下载获取更多信息
if (n <= 1) return;