**YouTube** is an American [online video-sharing](https://en.wikipedia.org/wiki/Video_hosting_service "Video hosting service") [platform](https://en.wikipedia.org/wiki/Web_platform "Web platform") headquartered in [San Bruno, California](https://en.wikipedia.org/wiki/San_Bruno,_California "San Bruno, California")

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There are four activities in this package:

*   Show Popup Window: Shows popup window and displays message inside. It helps you describe what the robot is currently doing. It hides the existing window before showing a new one.
*   Hide Popup Window: Hides existing popup window.
*   Auto-closing Message Box: Displays a message box with a given timeout.
*   Lazy Message Box: Displays a message box with a given timer-protection.

This package provides an activity for displaying a popup window to help you describe what the robot is currently doing. It also provides an auto-closing message box and a timer-protected message box.

What's Going On