The video below looks at how to overlay presentations with a mask so that it wraps up various media into a single cohesive presentation that you can screen share. The positioning of the speaker’s webcam in virtual presentations has never been quite satisfactory. In Zoom, you disappear altogether, while in Teams you are relegated to a little blob at the bottom of the screen. There is often value in having a larger speaker view; to impart the human gestures accompanying presentation or for particular teaching moments where you might want to share some detail on camera. David Read told me 10…