Pop up retail, food trucks and coffee ritual sites make one the most captivating cities in the U.S., San Francisco, even MORE interesting. Where the central freeway once stood, green ways, benches and random shops abound, adding to the vibrant marketplace atmosphere. On a recent visit to SF my husband and I had a chance to catch up with a good friend who showed us all the hip and happening places in Hayes Valley. Please join me on a mini tour: