Someone should host an event where the focus is to share mind-numbingly simple life hacks. They can be simple general hacks from how to orient your toiletpaper in the anti-catwise orientation to how to make ferrofluid, as long as the entire demonstration can be shared within . I would think something like 1 minute.
To go along with the “short and sweet” sort of idea, you could allow for demonstration images, but they would have to be an animated gif (again, this is my format, take this where you want). The idea is to get a bunch of highly rehearsed pitches for life-hacks in fast succession by lots of people attending.
I would encourage multiple hacks by individual participants, but if you do that, I would recommend having each one spaced out in the agenda. If you do the animated gif or any sort of visual projected material, I would also recommend collecting them ahead of time so you can figure out a way to present them quickly.
This would be a great first event for someone to hold, since it only requires ‘running’ the event and no specific skill shares (though you’ll probably want to have a life hack or two of your own to help start everyone off).