PresentationTubes Chrome extension will let you record while talking over your PowerPoint slides or a PDF. You can record with your webcam switched on or you can choose to simply tape your voice talking over your slides or PDF. While youre recording you can draw on the screen, add text notes to the screen, and emphasize text on the screen..
When you have actually completed taping a presentation with PresentationTubes Chrome extension you can upload it straight to the PresentationTube site where you can then release it publicly or keep it unlisted. Just Like Google Docs, if you make your PresentationTube unlisted then only people who have the direct link to it can view it..
Applications for Education.
PresentationTubes Chrome extension could be an excellent one for anyone who is trying to find a brand-new, much easier method to create video lessons based on their existing slides. Unfortunately, it only works with PowerPoint or PDFs at this time. Ideally, in the future there will be support for Google Slides. In the meantime you can always download your Google Slides as PPT or PDF to use with PresentationTube.

PresentationTube is a non-profit that has provided a free service to instructors for several years. That service is the ability to tape video discussions based on PowerPoint pdfs and files. Just recently, PresentationTube launched a Chrome extension that lets you develop video lessons in your web internet browser..