Remember the world before iPhones, Ubers, and streaming on Netflix? It's 2004 in Manhattan, and real estate is the driving factor behind most relationship decisions. Only here can strangers go from roommates to friends to lovers in less time than it takes a co-op board to approve a purchase.Robin Cromwell is in desperate need of a roommate. She's lucked into a rent-controlled classic-six on the Upper West Side of Manhattan, but...