Mark Zuckerberg returns to Twitter after three years, gets message & tip from Elon Musk

Meta CEO Mark Zuckerberg announced Muse Spark 1.1 AI on X after a long absence. Elon Musk highlighted X's direct reach for company announcements and product launches. Muse Spark 1.1 offers strong agentic and coding capabilities at a low price. Developers can access this new model through Meta's newly released API. Meta is offering free trial credits for developers in the United States.