Oh yeah great news, firstly facebook management knows how much blockchain important specially in the world of crypto currency.
Correct me if I am wrong the decision of management to stop blocking blockchain crypto related advertising in facebook because they also use this site to,advertise their own token (fb token).
Well as what LeGaulois says here
Now we're gonna see for many weeks people posting that Facebook will soon create its coin

Means there still no concrete evidence that Facebook is creating their own coins
Though Im still looking about those other post that prove about FBcoin yet nothing goes in real till now
Thats weird cause they re still blocking my coin adds, and im not promoting ICOs or anything. Its just a news website.
Then thats really weird since I thought the banning is for ICO related topics only