Little-known companies are amassing your data - like food orders and Airbnb messages - and selling the analysis to clients. Here's how to get a copy of what they have on you.
By Kashmir Hill
As consumers, we all have "secret scores": hidden ratings that determine how long each of us waits on hold when calling a business, whether we can return items at a store, and what type of service we receive. A low score sends you to the back of the queue; high scores get you elite treatment.
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