According to Wikipedia "Peer-to-peer renting services and Platforms are often referred to as Ebay for rentals, or Craigslist for rentals, as these latter two services are the most famous Consumer-to-consumer marketplaces and classifieds platforms."
The fast development of this market is due to a combination of the following trends:
1. Networking infrastructure and high-bandwidth penetration reaching a level allowing Social Networks and Consumer-to-consumer marketplaces,
2. Limited storage space in dense urban environment preventing consumers to keep all the goods they occasionally use,
3. Increasing environmental concerns of consumers leading towards limitations of waste of resources and overconsumption,
4. Evolution of consuming behaviors from owners to users.
Many Web 2.0 sites are emerging to cater for this emerging need. These include Rentoid.com and Zilok.com