The following statement is incorrect because if the user create its slideshow in the MS PowerPoint or any other presentation application or software then, they can easily edit or rearrange the following thing any time that is written by the user in the slide of the presentation, so there is not any difficulty to edit or rearrange things.
You can share the presentation with your group. Share the presentation with everyone by email so everyone can work on it at once. Give your group members their own part to work on.
