Screenshot: Time-Lapse Twitter: Tweets Reveal The Mood Of The Nation

Researchers from Northeastern University and Harvard University have analyzed 300 million tweets over a three-year period and mashed them up with census data and Google Maps.

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Screenshot: Local Small Business SEO

In this marketing screencast David Erickson discusses the importance of local SEO for small businesses, specifically the importance of search engine optimization for local business listings such as Google Places.

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