Icebreakers are " discussion questions or activities used to help participants relax and ease into a group meeting or learning situation" (Dover, 2004). Icebreakers are very important in the learning-teaching process that takes place within the classroom. They can help in creating and maintaining a healthy and successful learning environment for students and are also the best warm-ups to get students engaged in a learning task.
A large number of people create presentations in MS PowerPoint, however many devices nowadays do not support the PPT format. For example, many people now carry tablets and smartphones instead of laptops, which do not necessarily have PowerPoint installed on them.
If you frequently require sharing PowerPoint presentations, PDF documents or image files, then try the Reel web app. It is a free service that allows users to upload and share the aforementioned file types via a a unique sharing URL and an embed code.
SlideSnack is a web service for sharing presentations online.
SlideSnack is pretty straightforward to use as all you have to do is to upload a PDF or JPG presentation, customize its layout and select a custom template to enhance its look and publish it online. Furthermore, you can also record comments or notes and create a slidecast with presentation and voice over.