1 🤖 AI 工具 TechCrunch 2026-07-01 💬 Threads adds new features to Live Chats as it expands access Threads Live Chats支持150人实时聊天，可发文字照片视频，超限后观众模式仍可互动投票。 The updates include translations, new tools for hosts, and more. 实时聊天 多格式消息 互动投票 观众模式