A big storm is coming...what's in your cart?

Wal-mart's got a pretty good idea.

In 2004, Wal-Mart decided to test what they now call "predictive technology" during hurricane season by pre-ordering the supplies that had historically been big sellers before and after a major storm.

This is a great example of harnessing the power of the data you own, and using it to drive your business.

Wal-Mart expected the usual...bottled water, batteries, flashlights, radios...

...but they got quite a jolt when the top sellers weren't what they expected.