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[twistage 84d3fb5e5b41c] As a Senior Researcher for Microsoft, danah boyd , (yes, all lowercase, she had her name legally changed), studies how we work, live, and play on the Internet. While the well-known researcher truly loves social media and the online universe, she also understands that sometimes we all need to turn off and tune out.

CNN 's chief business correspondent doesn't have much downtime. When he's not anchoring, promoting his new book, or speaking on stage, Ali Velshi is attached to his BlackBerry answering emails and managing tweets .