The sharing economy is revolutionizing more than the transportation and lodging industries. While start-ups like Uber and Airbnb have become household names, the office space is fast getting a similar update.Gone are the days when independent businessmen and freelancers had to rent their own office spaces. Millennials today are embracing co-working, or working in a shared office space with a random assortment of coworkers, many of whom work in media or are starting their own businesses.WeWork is at the forefront of this new business.