Alexandra Jaffe @ajjaffe
Much of it untracked & unregulated: https://t.co/uNrsZb98w3 https://t.co/I6gKzmlUl8 — PolitiTweet.org
Medium Buying @MediumBuying
@michaelbeach Digital spend in politics has grown 135X since 2010 @PeterHamby https://t.co/LZjzYcH3Dc