Google has updated and enhanced the UI for its Advanced Search page. In addition to the recent "date range" options that expand from the menu, Google has now added topic-specific searches.
In effect, that's Google's answer to the explosive growth of vertical search engines. Tip of the hat to Chris Granier for highlighting this change in Twitter.
Topic-specific search engines from Google now include:
* Google Book Search
* Google Code Search
* Google Scholar
* Google News archive search
* Apple Macintosh
* BSD Unix
* U.S. Government
With Google's "search-within-a-search" box option, Google has the option of expanding vertical search exponentially. Any site that offers "site search" in a specific vertical could become a repository of vertical knowledge.
Which company is the first to exploit Google's new Advanced Search option?
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