Mid-market has vastly improved since Twitter, Uber, Square, Zendesk, Microsoft, etc. moved in. It's no longer a crime-ridden sad part; it's now vibrant with gro

Mid-market has vastly improved since Twitter, Uber, Square, Zendesk, Microsoft, etc. moved in. It's no longer a crime-ridden sad part; it's now vibrant with grocery stores, restaurants, cafés, bars, housing, etc. It's a great success story for redevelopment. Some people call it gentrification.