Who's Driving Twitter's Popularity? Not Teenagers - NYTimes.com - 1 views
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Though Twitter’s founders originally conceived of the site as a way to stay in touch with acquaintances, it turns out that it is better for broadcasting ideas or questions and answers to the outside world or for marketing a product.
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Burks Oakley on 26 Aug 09This is the power of Twitter - in forming a "personal learning network".
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