Also in discussion with our new lecturers this week:
Not getting sucked into ppt making things linear and always the focus. You can repeat, have extras, be non-linear, go back.
You can also just take them down (blank out), shift focus to something/one else.
Sometimes the best slide is no slide.
PPT top 2 keyboard shortcuts for teaching:
(B) Blank screen, take the slides away from attention, shift focus. Sometimes the best slide is no slide. Online, also consider stop sharing when not in use.
(#+Enter) jumping to a slide, or the end can be handy and avoid click click click, oops too far.