To regain advertiser trust, Facebook is tracking ads by the millisecond

You may scroll through something so fast on Facebook that you don't notice it. But Facebook wants every moment to count — at least in what it presents to advertisers. 

The company announced Friday they will provide millisecond-level data for ads on Facebook, Instagram and its online ad ecosystem Audience Network. 

Now, for the first time through Facebook, advertisers can see how long their ads were seen by the millisecond. That includes how many milliseconds overall the ad was on a screen and then broken out into how many milliseconds 100 percent of the ad was on the screen, as well as how many milliseconds 50 percent of it was on the screen.  Read more...