The neighborhood of Williamsburg, it can be said, has revolutionized the global image of Brooklyn, making the borough a symbol of chic sophistication. Hordes of young twenty-somethings migrated over the bridge, threw on some second-hand clothes mixed with top-end designer gear, brewed a batch of kombucha and called Williamsburg home. But now many of those once twenty-somethings are thirty-somethings, with pets, spouses, and children. Their adorable West Elm-decorated 600 square foot apartment is not at all practical. Where to go next?