E-commerce Web sites’ only constant is change. They must nimbly adjust prices and offerings on the fly to meet market conditions and customer profiles. And those aren’t all of these sites’ ongoing change requirements.
One thing that doesn’t change, however, is their reliance on data — customer preferences as well as transaction information. Although e-commerce Web sites are an inherently transient medium, that data is as worthy of preservation as a treasure map or share certificate of old, because, in many ways, it is worth more than money.
