Cardlytics - web bank statement advertising

http://adage.com/article?article_id=143361

McDonalds, Macys have started using a new advertising medium - web bank statements, that give targeted ads based on your bank statements;
Here's how it works: When a bank customer signs in to view his or her online statement they can see various reward offers in three places, alongside transactions, in a column on the transaction page or on a rewards-summary page. To activate the offer, they must click, and once the reward is activated, it is automatically converted when the consumer uses his or her debit or credit card at that merchant and the transaction is processed by their bank. No special software or interaction is necessary on the part of merchants. And because the program uses transaction data from debit cards and credit cards, the ads on the online statement are applicable to transactions made online or offline.

Advertising is getting more invasive in all aspects and there is a continual search to find new and better places to advertise to a targeted audience.This is just another way of doing that.