Have you heard of About the Data? It’s a website that lets consumers see what personal data’s been collected and is being used to drive the online ads they see and offers they receive. It’s a free service provided by Acxiom, a supplier of marketing data for businesses. Yes, a data broker.

Big data – or whatever you prefer to call it – is a game changer for marketers and throughout the enterprise. And not to mince words: If you’re not using big data to improve your business – e.g., revenues, profits, operational efficiencies, decision making, etc. – then don’t do big