Howard Rheingold Quotes
As for Twitter, I've found that you have to learn how to make it add value rather than subtract hours from one's day. Certainly, it affords narcissism and distraction.
Citations
Rheingold, Howard. Net Smart: How to Thrive Online. MIT Press, 2012.
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Howard Rheingold (born 1947) is an American critic, writer, and teacher, known for his specialties on the cultural, social and political implications of modern communication media such as the Internet, mobile telephony and virtual communities (a term he is credited with inventing).