There are some tricks you must know in order to work from home effectively. This includes getting fighting fit, dressing well, being highly productive and a time management Ninja.
Resources
Shifting From Keynote To Virtual Speaker
There are two technical aspects to this new world. The visual and the audible. You will no longer be relying on stage engineers, AV checks and some outside vendor to attach a lavalier mic to your lapel or blouse before you dazzle the audience before you.