Twitter may be one of the world's fastest-growing social media tools, but the question of how the 140-character micro-blogging site could turn tweets into dollar signs has gone unanswered since its launch in 2006. Until now. The San Francisco-based company…

Google wants to make the Web faster -- much faster. In a post on its corporate blog Wednesday, the world's largest search engine announced it will build ultra high-speed broadband networks that will deliver Internet speeds more than 100…

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