We've had the articles on the value of big data for the travel industry and some questioning methods already being used for personalisation.
So, here's a nice snapshot of the points data is being collected from and how increasingly it will be used to analyse purchase behaviour and target consumers with particular products and services.
The balance is slightly tipped towards the positives of big data such as the emergence of innovative business models although some significant downsides are raised around privacy and whether it will cause more problems than it solves.