Index Exchange's Andrew Casale: 'A correction will be driven into the market'

Having built his first ad network while he was still at high school, Index Exchange chief executive officer Andrew Casale can justifiably lay claim to being one of the foremost commentators on adtech. Albeit, his stereotypical Canadian modesty would preclude him from making that claim himself. 
Speaking with The Drum on the sidelines of his company's inaugural partner event in Miami, Florida, Casale addresses a number of issues facing the online media trading market. The disc