A consumer data broker, which tracks everything from a person's estimated income to his political leanings, shopping patterns and exercise habits, is readying a service that will reveal to people what it knows about them http://link.ft.com/r/8P1R88/87ERL8/18E32X/XH30EV/A5PG4W/ZH/h?a1=2013&a2=4&a3=10 |