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Google Centuryshare Calculator
Enter any keyword or phrase and see the Google mindshare for different years of the 20th Century; a "Zeitgeist" tendency showing popularity peaks. [ http://blog.outer-court.com/centuryshare/ ]

Contributed by:
Philipp Lenssen
[06/11/03 | Discuss (2) | Link to this hack]

The Google Centuryshare Calculator [ http://blog.outer-court.com/centuryshare/ ] stores the Google page-count for all years of the 20th Century (from 1900-2015). Submitting a query, like "Beatles", or "Cold War", it will then query Google (via the Google Web API) for the number of pages for a year plus the keyword. Finally, the percentage of those pages, compared to those each year without keyword, is shown in a diagram. For example, the peak for "Chernobyl" is clearly 1986, while other keyphrases -- like "Rolling Stones" -- show more of a soft wave form. Note that you need the Google Web API key to use the tool (it will need 20 Google queries per calculation).

See also: Google Blogoscoped

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