Often considered "the historic crossroads of Somerville," Union Square is a hotbed of transitioning business activity and cultural diversity. In the center of it all, USMS works hard to keep its district vital and forward-moving by promoting businesses new and old, organizing community events and connecting locals with the services they require. Union Square Main Streets has also launched the new Design Annex, which is located in the same building as their administrative office. Developed as a coworking and networking space for creative industry professionals, thethe Design Annex offers work space and also hosts an open house every Thursday from 9:30am to noon. The Main Street approach was originally conceived in 1977 by the National Trust for Historic Preservation as a way of maintaining the vitality of our nation's village centers.USMS is a nonprofit partnership of Union Square residents, local business owners, community leaders, the City of Somerville and the National Main Streets Center.