Accordint to Reuters,  Libra cryptocoin is ready to be in the air during January 2021.

Accordint to an information of the "Libra Team"   Libra will be a single digital coin backed by the dollar (Stablecoin) and with this move the ambitious are more higher  that proposed in April.

And why Facebook prefers stablecoin ?

Because stablecoins are designed is  such way to avoid the volatility typical of cryptocurrenciess it can be  more possible an enterprise pay with this (stable)coin

So it will be interesting to see the dynamic of this cryptoicoin, and if it is possible to substitute the economy because the "Facebook" changed the way of communication, so it can change the way of payments ?

PS1 You must know that The Libra Association had 27 member that Facebook is one of them. The base of the company is Geneva (Swiss)

PS2 The photo was taken from https://medium.com/swlh/facebook-finally-unveils-libra-coin-a9d520276bb3