The coworking movement has been growing since it started in 2005. It began when Brad Neuberg opened his live-work loft to a few other independents and has grown to over 800 spaces on 6 continents.
Jason Rohlf's blog
Every community has a gathering point, something in common that draws everyone together.
First and foremost coworking is a community. It is a group or groups of entrepreneurs, freelancers, small business owners, startups, and telecommuters that join together to form a creative, collaborative community.