Swoosh
If you deliver presentations often, this is a neat trick to add to your arsenal. Swoosh for Android lets you control your slide deck with just a wave of your hand. Install the app on your mobile device and the server tool on your desktop, and launch your presentation. Then, place your phone or tablet on a desk and swipe your hand above it to navigate back and forth between slides like magic. Swoosh works with Mac, Windows and Linux desktops and is compatible with a range of presentation tools like Prezi, Slidely, Microsoft Powerpoint Online, Google Slides, Keynote and…

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