Slides that share an opinion

A presentation program is a tool for sharing ideas and opinions with an audience. A presentation is made of slides. For each slide you can choose a size (standard or wide), a style that gives colours and fonts, and add pictures, text boxes and drawn shapes. Animation can move words and shapes, but use it sparingly, because too much movement is tiring. Graphics should be clear and easy to read. A classroom guide called the 10-20-30 rule says: up to ten slides, up to twenty minutes, and letters not smaller than size thirty. It is a helpful guide and not a law. Before printing, save a copy as a PDF, a file type that keeps the layout the same. A review mode lets you read through the text and layout. Is presenting an opinion in slides different from sharing it on social media? Slides are planned and checked, and the audience listens to you; there is time to give reasons.