Changing public attitudes have led to a decline in U.S. soda sales. But health expert Marion Nestle believes many people still consume unhealthy amounts of sugary drinks. She argues beverage companies are spending millions on research that misleads consumers.
Howard Rheingold, an expert in the social implications of technology, talks about the ways cell phones and other mobile communications devices are changing commerce, family life, politics, dating, and much more.
- Howard Rheingold Author and expert in the social implications of technology
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