TweetIndex — @j1berger (jonah berger). Followers: 31 709. Following: 48. Posts: 5 115. Collected posts: 5. Views: 15 815. Likes: 529. Reposts: 75. Replies: 23. Latest post: 18 June 2024, 18:45 UTC. Views: 4 413. Likes: 42. «🚨 NEW RESEARCH 🚨 Expressing certainty can increase persuasion. But might the way people communicate (speaking vs writing) shape how much cer» Last collected: 16 September 2026, 00:47 UTC. Page: https://tweetindex.com/account/j1berger