The FTC presents Filner with a post-mortem document about YouTube’s 2014-2019 experiment with adding social features, such as in-app messaging. “We learned that taking a page from social apps and bluntly asking for contact access in the YouTube app would likely lead to user backlash and rejection,” the document reads. “Users who probably hadn’t batted an eyelash about providing their contacts to Snapchat didn’t see YouTube as a relevant app to share contacts with.”