According to a recent post on Facebook blog, Facebook has over 150 million users actively accessing the worlds largest social networking site via mobile devices. Out of those 150 million active mobile users, “Facebook for iPhone” accounts for a staggering 100 million users per month. Now that is as much as the number of iOS based devices (iPhone, iPad and iPod touch) sold by Apple as per June of this year. What this means is that there is a “Facebook for iPhone” app installed on almost every iOS device ever sold!
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