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Social Networking Service
2013-01-27 09:02:30

A social networking service is an online service provided to the public for social interaction between families, friends, and also for gaining new friends over the internet. These networks often include such services as e-mail and instant messaging. Social networks are found worldwide and used by half of the world’s population in some form or another. In 2011 a survey revealed 47 percent...

Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.