Debates around viewability and ad fraud continue to plague the digital advertising space in 2017, but thanks to data and technology improvements seen over the past few years, viewability metrics are bringing some order back to the programmatic advertising space, according to a recent panel of experts. Is it time to put the viewability debate to rest? Viewability in digital advertising refers to the likelihood that an ad placed against a video, or on a Web page, is actually seen by the user. An ad may be placed at the bottom of a Web page, for example, and the user may never scroll down far enough to see the ad. So while the ad was technically served, it wasn’t necessarily…