Scrapers sometimes fight back with software that deciphers captchas.
信息搜集公司有时用能破译验证码的软件予以还击。
Even so, researchers are already looking beyond text-based CAPTCHAs.
即便如此,研究人员已经把目光投向文本基础的验证码之后了。
You can find more sophisticated negative CAPTCHAs in Ned Batchelder's blog post.
在Ned Batchelder ' s blog post,你能找到更先进的negative CAPTCHAs文章。
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