If Facebook launches the stablecoin they are reportedly building, it will quickly become the most used product in crypto,
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here Anthony Pompliano, a crypto analyst and founder and partner at Morgan Creek Digital Assets tweets about this
https://twitter.com/APompliano/status/1075951717399838722?s=20mass adoptions in crypto is on its way

You tell me, what's the use of this news for us?

Another stupid stablecoin bound to fiat currency, what's so wonderful here?
I don't see any reasons to feel happy about this news if you want my opinion. Nothing happened in fact. Facebook owners will become more rich, we won't.