The document discusses the growth of the sharing economy or collaborative consumption market. It provides data on the market size, which was valued at $8 billion in collective funding in 2012 and $110 billion in total market value in 2011. It also shows a chart depicting strong growth in the number of sharing economy companies from 2011 to mid-2012. The document discusses opportunities in the sharing economy to earn extra income by renting out goods that would otherwise sit idle, such as cars. It presents the sharing economy as enabling more efficient use of resources.