Amazon says "a tiny fraction" of sellers paid for ads for products users couldn't buy and pledges a fix; Amazon offered a $15K refund to a seller seeking $300K (Spencer Soper/Bloomberg)

Spencer Soper / Bloomberg:
Amazon says “a tiny fraction” of sellers paid for ads for products users couldn't buy and pledges a fix; Amazon offered a $15K refund to a seller seeking $300K  —  The company has pledged to reimburse sellers for the mistake and make fixes to its lucrative advertising operation.