Twitter was never designed to be a social network but it has become one.
In fact it was designed initially in 2006 to used by individuals as an SMS type service to communicate with a small group at the podcasting company Odeo.
When I first joined Twitter in 2008, I was underwhelmed and wondered as to its usefulness. Its early attraction to me was its novelty factor.
It has overcome this challenge and four years later it has built an impressive resume.Over 140 million active users as of 2012 Generates over 340 million tweets daily Handles over 1.6 billion search queries per day Tenth most visited site on the internet
In the nearly six years since its founding over 600 million users have registered Twitter accounts.
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Via Martin Gysler