San Francisco, when the weather is good, is a truly beautiful city. And just below it, along the area called the Peninsula, sits Silicon Valley. Over the past decade or so, these formerly distinct regions have blended together, owing to a combination of limited land resources and the spread of millennial-run companies populated by young employees who want to live in the city. It’s become one contiguous strip of tech firms situated along a 50-mile swath that starts just below San Jose, Calif., and goes all the way to the Golden Gate Bridge.
