Slide Master ->Insert ->
Placeholder
Use the Placeholder
You have been working on the Slide Master. This is
how the presentation looks when it is in design view. Here is what
it look likes to someone who will use your presentation.
Try it: Use the Placeholder
Go to the Slide Master Ribbon.
Click on: Close Master View.

What Do You See? The Content
Placeholder is displayed in the text box. You can use this
control to add rich media and graphics.
