There isn't a specific automated way to create a PowerPoint stopwatch or countdown timer in PowerPoint, so it isn't straightforward. However, you can display a number on a PowerPoint slide and set ...

How to Add a Draft Message in PowerPoint. If you are working on a large Microsoft Office PowerPoint 2010 project with your coworkers, it can be useful to have a draft message on each slide until ...

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.