Comcast's Peacock faces new tests from advertisers, viewers

Hi and welcome to this weekly edition of Insider Advertising, where we track the big stories in media and advertising. I'm Lucia Moses, deputy editor here.Remember you can sign up to get this newsletter daily here.First, senior reporter Lauren Johnson is hosting a webinar about how advertisers can navigate the death of third-party cookies on April 22 with execs from The Trade Desk, Mars, The Washington Post, and R/GA. Sign up here.What we're following this week: Peacock's big testRecess takes on