A plaza is bustling with life several months after its creation on a segment of the Stevenson Street alleyway at 10th Street, next to the Twitter offices.
The "Market Square" plaza is a privately-owned public open space built as part of Twitter's office construction and renovations. That intersection of the mid-Market, SoMa, and Civic Center areas was relatively dead just a few years ago before unoccupied buildings and lots were filled by condo buildings like NEMA and tech companies like Twitter and Uber. Occupying the floor of Twitter's building next to the alley is "The Market," a grocery store and food hall complete with tech-salary prices.
Today, the plaza serves as a gathering space filled largely with a mix of tech workers and city government employees coming from nearby offices to enjoy some coffee. (Is there any more effective way to populate a pedestrianized alley than by opening a Blue Bottle?)