A theme reduces the need for people to manually select the correct font, font size or logo to be used in each presentation. When used by many people for many presentations, a theme can help give your presentations a consistent visual identity. TIOBE Index: Top 10 Most Popular Programming Languages Top Tech Conferences & Events to Add to Your Calendar SEE: The future of work: Tools and strategies for the digital workplace (free PDF) (TechRepublic) What's hot at TechRepublic Much like paragraph styles in a Google Doc standardize text formatting (e.g., title, subtitle, heading 1, heading 2, normal text, etc.), a theme standardizes the arrangement and default display of Google Slides. Google Slides not only lets you select and apply any of the built-in presentation themes, but also lets you customize the look and layout of your slides with the Theme Builder. Standardize the look and layout of your presentations with the Google Slides theme builder