Artificial Intelligence | AI on Instagram: "OpenAl just launched Sora 2, along with a new social video app that works like TikTok for sharing Al-generated clips. Here's what's new. - Real-world physics: Older models used shortcuts to match prompts, like teleporting basketballs into hoops. Sora 2 now follows actual physics, so missed shots bounce off the backboard naturally. - Cameos: Upload a short video of yourself once, and you can appear in any Sora-generated scene. You can also let friends u