How to copy or duplicate a PowerPoint slide and put it anywhere in your slideshow

You can copy a slide in the PowerPoint app or online version, and then paste it somewhere else in the slideshow.

How to add a GIF to Google Slides using a URL

There are many ways to easily add a GIF to Google Slides, with the easiest method being to use a GIF URL. Here's how to do it ...
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Learn CSS Animation in 100 Seconds – Keyframes, Transitions & Timing

Learn the basics of CSS transitions and keyframe animations in 100 seconds Breaking: Three people shot at immigration office in Dallas Russia hits back at Trump after his abrupt swing toward Ukraine ...