Deep Tech, What's a Convincing Value Proposition?

The challenge when you comer to such project is that you don't some of the classic metrics, which i would sa grows the invester will be looking like. So what i'm saying is, before you have revenues, you should be able to demonstrate that your technology will deliver a compelling value proposition for your target customer base. And so, you know, even if you don't know how long it's going to take to acquire customers, or how much it's going-to cost to acquire customers,. from an early stage, seat stage v c point of view, what i need to see is that you can do something that  is obviously a compelling benefit to some target group of