A week after Amazon rejected a settlement over in-app purchases, the FTC has filed suit against Amazon for allegedly letting children run up bills without parental approval. In a complaint, it asks a court to make Amazon refund users who were billed a total of millions of dollars in unauthorized charges, and for the company to be banned from billing parents or other account holders without more explicit consent. Amazons in-app system allowed children to incur unlimited charges on their parents accounts without permission, says FTC Chairwoman Edith Ramirez. Even Amazons own employees recognized the serious problem its process created.