The sharing economy - or as some people describe it, the collaborative consumption economy - is big business. And as the ins and outs of AirBnB and CouchSurfing and Kickstarter are best left to those who have a need to use them, I'll content myself here with a few stats that give you an idea of just how big that business is - or is going to be.
First, a definition: The sharing economy is about monetising the surplus value of the things you own by giving others access. (Or put another way, collaboratively recirculating the dormant use of assets, facilities or skills, for money.) It's a highly disruptive economic proposition that's