If you want to make one of these yourself in your presentation these are the instructions.
- Download the example file
- Copy the chart shape and paste it into your slides-enabled presentation
- Click on the shape, and select Shape settings
- Select your row or column of data to be displayed in the chart and the boxes at the top, and click OK
Slides! will do the rest for you and your chart will stay in touch with your data no matter how much it changes.