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By Brad Bate
June 21, 2012

Sharing has been receiving a lot of attention recently, thanks to a wave of startups with alternative business models designed to deliver value to customers in new ways. In many cases, these models of collaborative consumption make more efficient use of existing resources.

Take, for example, Getaround, which aims to make better use of the 92 percent of the time that most cars sit idle, or Airbnb, which helps people rent out their apartments while out of town. These companies are using technology to bring scale and transactional efficiency to an old idea -- sharing -- that just might change the way we interact with physical goods and with each other.

Read more: GreenBiz