Yet another group of Silicon Valley tech workers are trying to build their own paradise, this time on a 267-acre plot located 90 minutes north of San Francisco. The project, named Esmeralda, says it is completely separate from the similar California Forever proposal from Solano County. Those behind this new effort voice hopes of instead building a tightly-knit and walkable community in Cloverdale, a small town on the outskirts of Sonoma County.