Billguard's card locations tell you when your card is used away from your phone

[iMore.com]

Billguard, the mobile app that helps protect you and your credit cards, is today announcing an interesting new feature for iPhone users in the U.S. Card Location Alerts is a new feature they're rolling out that ties your phone's location data to your card usage. If your credit card is used and its not at the same location as your smartphone, you'll get an unexpected location alert.

Full story from the iMore Blog...