New gadgets that can be installed under the hood let insurance companies know much more about your driving habits. Discounts of up to 25 percent can follow. But privacy advocates say those who sign up have Big Brother riding in the passenger seat. Produced by NBC's Andrew Gross and Coleen Sanvido, with graphics by Patrick Longstreth.Watch the video.
You can also read a text version of the story that appeared recently in Red Tape Chronicles.