PresentationTubes Chrome extension will let you tape-record while talking over your PowerPoint slides or a PDF. You can tape with your cam switched on or you can choose to just tape your voice talking over your slides or PDF. While youre taping you can draw on the screen, add text notes to the screen, and emphasize text on the screen..
When you have actually finished taping a presentation with PresentationTubes Chrome extension you can publish it directly to the PresentationTube website where you can then release it openly or keep it unlisted. Much like Google Docs, if you make your PresentationTube unlisted then just people who have the direct link to it can see it..
Applications for Education.
PresentationTubes Chrome extension might be an excellent one for anyone who is looking for a new, simpler method to develop video lessons based on their existing 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 actually provided a free service to teachers for several years. That service is the capability to tape-record video presentations based upon PowerPoint pdfs and files. Just recently, PresentationTube released a Chrome extension that lets you create video lessons in your web browser..