Senate Finance Committee chair Ron Wyden (D-Oregon) heads a bipartisan group of U.S. senators attempting to understand more about digital advertising auctions and their relationship to personalized ads. The group sent a letter to the largest companies that run these auctions, including AT&T, Index Exchange, Google, Magnite, OpenX Software, PubMatic, Twitter and Verizon Communications. The senators want the names of all foreign clients gaining access to user data through the auctions, citing concerns of national security. Continue reading Senators Press Ad-Auctioneers for Personal Data Sales Info