Union Square San Francisco Shopping: Top Places to Shop
In Union Square, Apple Store is spiffy but plaza needs work
S.F.'s Union Square loses Express, another clothing retailer leaving
Union Square in San Francisco - San Francisco's Biggest Shopping District – Go Guides
Why Apple is building a town inside its stores – The Denver Post
Should San Francisco Union Square turn into a residential neighborhood? - Curbed SF
Apple's New Union Square Flagship Store Emphasizes Community - Metropolis
Apple's stores getting new look as other retailers struggle
San Francisco Union Square: Shopping, Dining and Theater