To add a Google app to your slide, click on the Google Apps button in the App Bar.  From there you can choose to add a Google Map to show a location or traffic, Google Sheets to show information that is automatically updated from Google Spreadsheets to your slide, or Google Slides and Docs that automatically update on your signs.

To find out more about these Google Apps see:

Google Maps

Google Sheets Data

Google Sheets

Google Slides

Google Docs

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