What matters most to the vast majority of digital marketers is the ability to see direct results and tie advertising costs back to those efforts. Facebook Pixel is a tool within Facebook for Business. It can track conversions (actions) on a website as a result of Facebook Ads, retarget specific audiences, and give valuable insight into how users are interacting with content. These are huge, exceptionally valuable benefits.
Out of all of the incredible tools Facebook has created for marketers, perhaps the most useful is Facebook Pixel. This SlideShare explores the concept of Facebook Pixel in brief.