# ChaCha Search Inc — Patents explained on PatentBrief

ChaCha Search Inc has 1 landmark patent explained in plain English on PatentBrief.

- [How Human Searchers Unlock Restricted Web Content for Users](https://patentbrief.org/patent/us/8577894/bing-knowledge-graph-satori) — granted 2013
  A system that uses human searchers to access password-protected or subscription-based websites to retrieve information for users who otherwise cannot see that content.

**Full profile:** https://patentbrief.org/company/chacha-search-inc

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._