Virtual conferences (NARCON, CES, etc.) definitely rule.
Not only can people with time constraints and family/life obligations still attend, but one can go back and view all concurrently held break-out sessions and not miss something interesting! It's always a nightmare to prioritize which of the break-out sessions one must miss at major conferences.
And then, if you forgot something cool, you can go back and re-stream the video feed of the presentation and refresh your memory!
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P.S.: There are also definite downsides - lack of socialization and personal relationship building are the obvious limitations.
P.P.S.: Perhaps, once the pandemic is under control, we can combine the best of both worlds and video stream all the future in-person conferences!?