* @param arr 原数组
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The opportunity in AI Optimization exists because most content creators haven't recognized its importance yet. Traditional SEO remains the primary focus, while this emerging traffic channel grows rapidly with relatively light competition. This window won't stay open indefinitely. As more people understand AIO's value, competition will intensify and optimization will become more sophisticated.，推荐阅读heLLoword翻译官方下载获取更多信息
That was the gap. confusable-vision is the tool I built to close it: render every confusable pair, measure the pixels, and put a number on what “visually confusable” actually means.