Learn how to make or create a Countdown Timer in PowerPoint. You can also use an Add-in. Displaying a countdown timer in your PPT can be helpful in many ways.

How to Add a New Slide to PowerPoint. Microsoft's PowerPoint application can be an invaluable tool for creating business presentations to pitch new clients or to use as a visual aid in meetings ...

One way to do this is by adding snow to a PowerPoint slide. The article How to make it snow in PowerPoint offers a basic snow plan that uses the same shape and random timing effects.