Standing in the living room of an oceanside $57.5 million home in Malibu, Calif., Jack Ryan, the founder of REX, an online brokerage, took in the view. “The only way you can sell a house like this," he said, as the shimmer of the Pacific glinted off gleaming white lawn furniture outside, "is have them walk through it, either physically or virtually." Ryan, a former partner at Goldman Sachs and a onetime opponent of Barack Obama for the Illinois Senate, founded REX in 2015 as a low-priced competitor to traditional real estate brokers. According to Ryan, whose business plan involves targeted online ads and charges a ... (full story)