There had been a lot of questions going as to if Facebook has pass the 600 million users milestone yet. Answer to that question, YES! Facebook passed the 600 million users mark in December 2010 (probably earlier). It was not announced publicly. Maybe not to tech blogs like mashable, techcrunch or RWW, however, when I attended iStrategy Singapore in December, Blake Chandlee the VP & Commercial Director, EMEA, at Facebook announced at the seminar that Facebook has already surpassed 600 million users. Of course we tweeted it out. … [Read more...] about Facebook Reaches 600 Million Users