With a $100bn valuation, that would be $125 per user.
But hey, there's room for growth right?
Let's be generous and give them everyone in the world, recently about 7bn potential users total. That's $14.29 per user.
It's hard to imagine a business model that can leverage that kind of money per person on average, much less with all the people who are inaccessible for various reasons.
It's going to be interesting to see where they go with this.