The brand safety issues that plagued YouTube and Facebook in recent years have now made their way to Twitter. The 4A’s Advertiser Protection Bureau (APB), formed in April as an industrywide effort to address such issues, was alerted to an incident last week that saw sponsored tweets running on Twitter profiles created to promote the… https://www.adweek.com/agencies/brand-safety-concerns-hit-twitter-as-sponsored-tweets-appear-on-profiles-selling-illegal-drugs/