That's a good news and that will be a stable coin that will be backed by something. As far as i know facebook has already talked with exchange site regarding to list its cryptocurrency. That's a good news for us. but this coin will be used for What's App.
If by something you mean censorship endorsing platform, infiltrated by various secret services, directly aimed at extracting personal information and international trade with these info than, this is truly something great and valuable.
Let's face it, this Moloch of a company is at it's ends and those are the last years of this ridiculous trend.
IMO this coin is way, way to late to actually mean something.