I've looked up more information about this project. It's interesting for its novelty and for its ambition to bring the tech closer to mundane life, but currentl

I've looked up more information about this project. It's interesting for its novelty and for its ambition to bring the tech closer to mundane life, but currently "the minds behind the project say there will be three different options for the air umbrella [...] the difference between them is the length and battery life which at maximum is thirty minutes"¹ - that's not much to make it practical for everyone, not to mention its (battery) weight. ¹ https://youtu.be/K6eyND08tu0?t=48 https://youtu.be/K6eyND08tu0?t=48