Facebook Exchange & How My Drugstore.com Basket Got Turned Into Facebook Ads

It seemed uncanny. There, among the ads shown to me on my Facebook page, was one for a specific type of razor I’d been looking for off of Facebook. How did Facebook know? Simple — “retargeting” through the recently launched Facebook Exchange (FBX). If you’re not familiar with FBX or retargeting in general, come along. Here’s a personal case study to how it all works.