It was a little over two years ago that I realized the ad-tech industry had gone too far. I was an executive at a global advertising company, watching a demo from a third-party data provider on how they could help with ad targeting. Their representative brazenly demonstrated how he could pull up his own personal record and share with us his income, his mortgage details, where he worked, what kind of car he drove, which political party he was likely to vote for, and his personal interests (craft beer, of course). It was everything, all in one place.

Fast Company: I left the ad industry because our use of data tracking terrified me