Speech bubbles can be used to suggest speech or conversation, but can also be used in the same way as callouts. Callout boxes are used typically to highlight information. Why are callouts added to a presentation? Call out boxes or speech bubbles are typically used to highlight a point on a slide or make an annotation. Add callout shapes to PowerPoint slides in a single click. PPT Productivity's Format Toolbar includes commonly used callouts.
Easily add callout and speech bubble shapes to PowerPoint slides in a single click, with PPT Productivity add-in for PowerPoint.