The Californian-based company has had 1.2m global users to date.
ComScore puts Facebook at 620 million global users for September 2010, up 51% in 12 months.
It said its 1.1 billion global users posted 3.3 million new items every minute in May.
Quarles said the UK was leading a "massive shift to mobile" among its 1.1 billion registered global users.
The monthly SkyJack Publishing title is based on the pre-teens social network of the same name, which has 60 million global users.
But if Zuckerberg is to his 1 billion global users target – he said it was "almost guaranteed" – then he is probably going to have to crack China.
The Swedish music player Spotify led the way in the streaming market, with more than 20 million global users including 5 million paying subscribers.
The BBC also saw record web traffic, with 18.2 million global users for BBC News Online on Tuesday and another 8.3 million on mobiles or tablets.
The scale of both Facebook and Twitter, which have 1 billion and 200 million global users respectively, make the task of proactively moderating content almost impossible.
Facebook's extraordinary, exponential growth – up to 633 million global users by October, according to comScore – is positioning it as the most powerful site on the web.
"Domestic Internet products are extremely well adapted to the Chinese market, but they are way out of place for global users".
