Bluesky, the Twitter spin-off, is now open for public sign-ups. Can its dreams of decentralization fix social media? We talk with CEO Jay Graber. Then, New York Times reporter Erin Griffith on how Adobe’s failed acquisition of Figma has spooked tech companies and upset Silicon Valley’s startup pipeline. And finally, updates on ancient scrolls and artificial intelligence, Google’s chatbots, and the fight between record companies and TikTok. Today’s guests: Jay Graber, CEO of BlueskyErin Griffith, reporter for The New York TimesAdditional Reading: What Is Bluesky and Why Are People Clamoring to Join It?After Its $20 Billion Windfall Evaporated, a Start-Up Picks Up the PiecesFirst passages of rolled-up Herculaneum scroll revealedGoogle Releases Gemini, an A.I.-Driven Chatbot and Voice AssistantUniversal Music Group Pulls Songs From TikTokWe want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.