Instagram CEO Adam Mosseri has explained why they can’t unnotify users when you’ve embarrassingly liked and unliked one of their old posts from years ago. At some point, you’ve scrolled down the social media feed of an old friend, family member, or someone you used to date. There’s the phone notification, and there’s the Instagram notification,” Mosseri said in a July 28 reel. “When you unlike that photo, we can delete that Instagram notification, but we cannot delete that phone notification. Article continues after ad“If we could delete that phone notification, we would, but we can’t.