This document summarizes updates from the IAB (Interactive Advertising Bureau) on efforts to standardize digital advertising metrics and ad units. Key points include: 1) The IAB is evaluating "Rising Stars" ad units through in-market testing to determine which should become industry standards. These include new formats for display, mobile, and video advertising. 2) The IAB's "3MS" initiative is working to establish common metrics for viewable impressions, audience measurement (like online GRPs), ad unit classification, and brand performance. Their goal is to shift the industry to focus on ad viewability and consumer experience over just impression counts. 3) By early 2014, the IAB