Share your screen

There are different programs and services that allow you to share your screen with other via your network or via the internet. 
One of them is Screenleap, a free web site that enables you to share what’s happening on your computer screen with anyone with a web browser, instantly. Viewers can see your screen from any device, including tablets and smartphones. There are no downloads, installs, fees, or sign ups required.

Other tools:
Workplace by Facebook

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