Oversight board explores questions about serving ads to followers of ex-president in social media exile.
The marketing exec created thousands of tokens for fans to access his brand and a new conference.
Brand campaigns with wide appeal should be fine, but targeting and direct-response marketing are affected.
YouTube unveiled new connected TV ad units, more shoppable ads and a renewed focus on creators.
At the NewFronts, the e-commerce giant touts its exclusive game deal and a new guaranteed way of buying ads.