I've been reluctant to try getting my coworkers into VR because they'd probably just laugh at me, but a couple of friends and I met up in VR (we're all fully-grown professionals) and it was great. Meetings in VR would be a lot more productive, IMO.
Can you see the micro expressions on your audience faces?
Can you draw on a whiteboard with fidelity similar to that of RL chalkboard?
Can I take notes?
No, but you get an amazing amount of context from their body language
> Can you draw on a whiteboard with fidelity similar to that of RL chalkboard?
Yes
> Can I take notes?
I never tried this, but I can imagine several ways to do so (the simplest of which is to just record the meeting & the contents of the whiteboard).