Casey Newton @CaseyNewton
Facebook needs to make this right. Give all of these advertisers a free Portal https://t.co/JXMYbXPB73 — PolitiTweet.org
VranicaWSJ @VranicaWSJ
Advertisers allege Facebook failed to disclose key metric error for more than a year and claim scale of the miscalc… https://t.co/IkbPwXyPtZ