Google Slides is a presentation program and part of the free, web-based Google Docs suite offered by Google. Google Slides is available as a web application, mobile app for: Android, iOS, and as a desktop application on Google's ChromeOS. The app is compatible with Microsoft PowerPoint file formats. The app allows users to create and edit files online while  collaborating with other users in real-time. Edits are tracked by a user  with a revision history presenting changes. An editor's position is  highlighted with an editor-specific color and cursor and a permissions  system regulates what users can do. Updates have introduced features  using machine learning, including "Explore," offering and "tasks to other users."

(Wikipedia)