Microsoft Surface Lagoon from Microsoft Touch Pack for Windows 7
Microsoft Surface Lagoon is a new screensaver for Windows 7 which you can interact using the multi-touch feature of Windows7.
The Surface Lagoon screensaver is a simulation of a fish tank where Windows7 users can place their fingers on the screen and enjoy the fish gather around their fingers slowly.
Microsoft Surface Lagoon is one of the multi-touch applications packed in Microsoft Touch Pack for Windows 7.
Microsoft Touch Pack for Windows 7 has been announced by Microsoft by the end of May, 2009.
Microsoft Touch Pack for Windows 7 : Microsoft Surface Lagoon Demo Video
Another MS Surface Lagoon demo video available is :