Google Trend, another Google analysis measurement tools can compare up to five specific search terms and how specific search terms are being entered into the Google.

Google also puts markers next to major news events that are about that search query, helping to explain surges.Data can be sorted by time, language, geographic location, etc.

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FAQs for details , Source : Michael Arrington of TechCrunch. ( Thks )

km May 11th, 2006 Google, Internet News, Technology