WPP, XAXIS AND APPNEXUS ANNOUNCE STRATEGIC TRANSACTION AppNexus Acquires Open AdStream Ad Serving Platform from Xaxis; WPP Will Take Equity Stake in AppNexus with $25 Million Investment Deal Enhances AppNexus’ Position as Industry’s Largest Independent Ad Serving Platform; Strengthens Xaxis’ Position as Leader in Programmatic Media Products
AppNexus Acquires Leading Advertising Viewability Company Alenty
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AppNexus News

AppNexus Launches Industry-First Certified Supply Program to Eradicate Fraud
November 5, 2014

AppNexus Partners with DoubleVerify, Integral Ad Science, Microsoft, PubMatic and Xaxis to Create New Classification Standard to Guarantee Fraud-Free Online Advertising Inventory

Appnexus Announces Milestones in Mobile at Annual New York Summit
November 5, 2014

Today at the AppNexus New York Summit 2014, the company unveiled the industry’s first mobile app that allows publishers to monitor in-app ad quality, in real-time, directly from their mobile devices.