The only one thing that we can't controls is a time. We can only feel how it going. But after installation of this screen saver you can see it. One of technical advantage of this screen saver is possibility to save power when rendering frames. This achieved by special GPU and CPU usage (GPU used only when drawing next frame and CPU usage very small because 3D transformations is very simple and depends only on timer).
"It's okay and better than most."
You really don't see alot of clock screensavers that look like this one. 3-D like.
Just doesn't grab at ya. Kinda boring for this type of screensaver.
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Note: The review & comment are referred from CNet