Westpac using big data to woo customers with offers made to measure

An interesting article on how Westpac is using its data to target communications to its customers.
Nothing really new but it is a bit of a milestone a lot of Business would love to get to.

The below comment caught my eye and made me wonder what their definition is of Big Data and why they would have more than one data warehouse. Maybe its just the initial extracts from the Web that is the "Big Data" component which is then transformed into structured data in a Warehouse?

"Our data sources are growing very fast and customer interactions are growing very fast," Ms Ganschow said. "We know who you are paying. We know where you are shopping and what you are buying. There is a lot of data pouring into our data warehouses."

Westpac using big data to woo customers with offers made to measure