It's tough trying to build a bank. Brett King once hoped his company, Moven, would become “the Facebook of banking.” Today, he is selling his software to the banks he once scorned. Credit An Rong Xu for The New York Times. After 6yrs of trying to "break banks" Brett King's Moven only manage to open 60,000 accounts. He's since pivoted to selling his software to the banks he once scorned.