A bipartisan group of lawmakers is asking questions about the inner workings of digital advertising amid worries the industry’s user-targeting capabilities could pose a threat to national security. A group of U.S. senators led by Senate Finance Committee Chairman Ron Wyden (D., Ore.) sent a letter to the largest companies running these auctions— AT&T Inc., Index Exchange Inc., Alphabet Inc.’s Google, Magnite Inc., OpenX Software Ltd., PubMatic Inc., Twitter Inc. and Verizon Communications Inc. — asking them what steps they take to make sure companies joining the auctions do so for the sole purpose of buying ad slots.
Read the article: The Wall Street Journal
