Guest mode on a Chromebook usually means quick access without logging in, like when 👥🔒💻 pops up in a shared space or public library. It's handy for borrowing a device or troubleshooting with 💻👤📱 nearby. Use 📶💻👤 when connecting on the fly or 💻🖥️👥 during multi-device sessions. These emojis fit tech support chats and casual reminders about privacy and access.