Google Apps @ Illinois, Jamboard

What is Google Jamboard? How can I use it to whiteboard in my meetings?

Google Jamboard is a collaborative digital whiteboarding experience, available through tablet and mobile apps, as well as on the web. Up to 50 participants can work together in real-time. 

Jamboard is available to all users of Google Apps at Illinois
Visit https://jamboard.google.com/ to get started.