The secret to King's success are its games' time elasticity.Bloomberg reported than 'Zynga has lost more than 100 million players in the past year - about the same number gained by King.'.King is probably already generating hundreds of millions of dollars every year from advertising, analysts believe.King games can be started on a phone and picked up again on a desktop - that's why they're so 'sticky' with users.King reached 150.4 million monthly users on Facebook, according to Bloomberg.

To give you an idea of just how dominant King has become, here are some facts about the size of the company and its audience: No wonder investors and analysts are salivating at the idea of a King IPO (even though, financially, game IPOs are fraught with peril). Account icon An icon in the shape of a person's head and shoulders.