what does brown know about you?

The questions that came up when I tried to register with MyUPS.

Why Does UPS Know Everything About Me (But Can’t Say When My Package Is Being Delivered)?

Anyone who has tried to get day-of-delivery tracking from UPS knows that the typical response from a company rep is “It’s on the truck for delivery and will come sometime today.” But while UPS seems to know very little about where exactly your parcels are, it has access to a surprising amount of information about where you’ve lived, who you’re related to and other personal data. [More]