I’ve discovered a remarkably inexpensive way to time travel back to the academic conference presentations of the 1990s: at the next conference you attend, sit in on sessions in which PowerPoint presentations feature prominently. Over a period of several days, you will forget that it’s 2024 (or 2025 or 2026…) as you sit through presentations whose format has changed remarkably little in four decades: too many slides crammed with too many words read at a breathtaking pace by someone looking read more