Peter Kafka @pkafka
Facebook pre-roll ads will be up to six seconds - but only in Watch hub, not your newsfeed. Starts next year. https://t.co/SA7SjAg4HI — PolitiTweet.org
Recode @Recode
Here come the Facebook pre-roll video ads https://t.co/0bLNqEQYVf https://t.co/sCYJHvw1MX